Kernel.org: 3.3.7, 
sid (unstable): 3.2.18-1
wheezy (testing): 3.2.17-1
kmuto bpo d-i: 
squeeze-bpo: 3.2.15-1~bpo60+1
squeeze (stable): 2.6.32-45
lenny (oldstable): 

Debian GNU/Linux device driver check & report

MSI: KT3 Ultra2

PCI IDWorks?VendorDeviceDriverKernel
11063099YesVIA Technologies, Inc.VT8366/A/7 [Apollo KT266/A/333]via-agp
1106b099VIA Technologies, Inc.VT8366/A/7 [Apollo KT266/A/333 AGP]
80861076YesIntel Corporation82541GI Gigabit Ethernet Controllere1000v2.6.25-
13d02103YesTechsan Electronics Co LtdB2C2 FlexCopII DVB chip / Technisat SkyStar2 DVB cardb2c2-flexcop-pciv2.6.26-
11063038YesVIA Technologies, Inc.VT82xxxxx UHCI USB 1.1 Controllerusb-uhci,uhci-hcd
11063104YesVIA Technologies, Inc.USB 2.0ehci-hcd
11063177YesVIA Technologies, Inc.VT8235 ISA Bridgei2c-viapro,via-irccv2.6.25-
11060571YesVIA Technologies, Inc.VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDEpata_viav2.6.25-
11063059YesVIA Technologies, Inc.VT8233/A/8235/8237 AC97 Audio Controllersnd-via82xxv2.6.25-
10025148YesATI Technologies IncRadeon R200 QH [Radeon 8500]radeonfbv2.6.25-

10025148 is an ATI FireGL 8800 and works with the "radeon" driver (kernel and X.org), which provides good opensource 3D performance.

PCI IDWorks?VendorDeviceDriverKernel
11063099YesVIA Technologies, Inc.VT8366/A/7 [Apollo KT266/A/333]via-agp
1106b099VIA Technologies, Inc.VT8366/A/7 [Apollo KT266/A/333 AGP]
11317134YesPhilips SemiconductorsSAA7134/SAA7135HL Video Broadcast Decodersaa7134v2.6.25-
10ec8139YesRealtek Semiconductor Co., Ltd.RTL-8139/8139C/8139C+8139cp,8139toov2.6.25-
11063038YesVIA Technologies, Inc.VT82xxxxx UHCI USB 1.1 Controllerusb-uhci,uhci-hcd
11063038YesVIA Technologies, Inc.VT82xxxxx UHCI USB 1.1 Controllerusb-uhci,uhci-hcd
11063038YesVIA Technologies, Inc.VT82xxxxx UHCI USB 1.1 Controllerusb-uhci,uhci-hcd
11063104YesVIA Technologies, Inc.USB 2.0ehci-hcd
11063177YesVIA Technologies, Inc.VT8235 ISA Bridgei2c-viapro,via-irccv2.6.25-
11060571YesVIA Technologies, Inc.VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDEpata_viav2.6.25-
11063059YesVIA Technologies, Inc.VT8233/A/8235/8237 AC97 Audio Controllersnd-via82xxv2.6.25-
10025157YesATI Technologies IncRadeon RV200 QW [Radeon 7500]radeonfbv2.6.25-