BP6 / G400 owners - Problems with stuttering video?

[ODiN]

I was just curious if other users with BP6 motherboards and G400s (specifically Marvel G400s) if they experienced any stuttering when playing video? When watching DivX clips, video/audio skipping is quite frequent... and with MPEG-1 clips there's skipping periodically. I'm assuming this is an SMP driver problem, but it seemed like my system did this less frequently the first time I installed Win2k. I just did a fresh install of Win2k and the problem happens immediately... I'm using the Marvel G400 beta drivers/video tools.. anyone else with this problem?

Win2k Pro (OEM)

Dual Celeron 366
ABIT BP6 (QQ Beta BIOS)
256MB PC-100 (2x128MB)
Matrox Marvel G400TV
Quantum Fireball LM 20GB, Maxtor 6800 27.2GB
Adaptec 2940U SCSI-2 PCI Controller
SB Live! Value
Linksys EtherPCI Lan II Ethernet card
Pioneer 104S ATAPI 10X/40X DVD-ROM
Ricoh 7060S 6X/4X/24X CD-RW
Iomega Zip100 Ext-SCSI
Altec Lansing ACS48 Speakers
Nokia 447L 17" Monitor
Sandisk USB Imagemate