I just wanted the devs to know that the Beta 1 build seems to run just fine on my machine.  To make that meaningful I'm gonna post my system and display dxdiag reports.  Good job so far, GPG, keep up the good work.
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System Information
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Time of this report: 9/10/2008, 16:20:46
       Machine name: BASILEUS
   Operating System: Windows Vista™ Home Premium (6.0, Build 6001) Service Pack 1 (6001.vistasp1_gdr.080425-1930)
           Language: English (Regional Setting: English)
System Manufacturer: NVIDIA
       System Model: 132-CK-NF78
               BIOS: Phoenix - AwardBIOS v6.00PG
          Processor: Intel(R) Core(TM)2 Quad CPU    Q6600  @ 2.40GHz (4 CPUs), ~2.4GHz
             Memory: 2558MB RAM
          Page File: 1366MB used, 3966MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 10
DX Setup Parameters: Not found
     DxDiag Version: 6.00.6001.18000 32bit Unicode
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Display Devices
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        Card name: ATI Radeon HD 3870 X2
     Manufacturer: ATI Technologies Inc.
        Chip type: ATI Radeon Graphics Processor (0x950F)
         DAC type: Internal DAC(400MHz)
       Device Key: Enum\PCI\VEN_1002&DEV_950F&SUBSYS_022C1043&REV_00
   Display Memory: 1532 MB
 Dedicated Memory: 508 MB
    Shared Memory: 1023 MB
     Current Mode: 1680 x 1050 (32 bit) (60Hz)
          Monitor: SyncMaster T220/T220G,SyncMaster Magic T220/T220G(Digital)
      Driver Name: atidxx32.dll,atidxx64,atiumdag.dll,atiumdva.dat,atiumd64,atiumd6a,atitmm64
   Driver Version: 7.15.0010.0119 (English)
      DDI Version: 10.1
Driver Attributes: Final Retail
 Driver Date/Size: 6/2/2008 23:25:14, 1563648 bytes
      WHQL Logo'd: Yes
  WHQL Date Stamp: 
Device Identifier: {D7B71EE2-D64F-11CF-BD71-2622A1C2CA35}
        Vendor ID: 0x1002
        Device ID: 0x950F
        SubSys ID: 0x022C1043
      Revision ID: 0x0000
      Revision ID: 0x0000
      Video Accel: ModeMPEG2_A ModeMPEG2_C 
 Deinterlace Caps: {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out) YUY2,YUY2) Frames(Prev/Fwd/Back)
YUY2,YUY2) Frames(Prev/Fwd/Back) 0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out) YUY2,YUY2) Frames(Prev/Fwd/Back)
YUY2,YUY2) Frames(Prev/Fwd/Back) 0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                   {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out) YUY2,YUY2) Frames(Prev/Fwd/Back)
YUY2,YUY2) Frames(Prev/Fwd/Back) 0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                   {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out) UYVY,UYVY) Frames(Prev/Fwd/Back)
UYVY,UYVY) Frames(Prev/Fwd/Back) 0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out) UYVY,UYVY) Frames(Prev/Fwd/Back)
UYVY,UYVY) Frames(Prev/Fwd/Back) 0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                   {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out) UYVY,UYVY) Frames(Prev/Fwd/Back)
UYVY,UYVY) Frames(Prev/Fwd/Back) 0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
                   {3C5323C1-6FB7-44F5-9081-056BF2EE449D}: Format(In/Out) NV12,0x3231564e) Frames(Prev/Fwd/Back)
NV12,0x3231564e) Frames(Prev/Fwd/Back) 0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {552C0DAD-CCBC-420B-83C8-74943CF9F1A6}: Format(In/Out) NV12,0x3231564e) Frames(Prev/Fwd/Back)
NV12,0x3231564e) Frames(Prev/Fwd/Back) 0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out) NV12,0x3231564e) Frames(Prev/Fwd/Back)
NV12,0x3231564e) Frames(Prev/Fwd/Back) 0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive 
                   {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out) NV12,0x3231564e) Frames(Prev/Fwd/Back)
NV12,0x3231564e) Frames(Prev/Fwd/Back) 0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch 
                   {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out) NV12,0x3231564e) Frames(Prev/Fwd/Back)
NV12,0x3231564e) Frames(Prev/Fwd/Back) 0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY 
     DDraw Status: Enabled
       D3D Status: Enabled
       AGP Status: Enabled