Well I was kind of disapointed yesterday by this very topic. I'm running Whistler and Win2k pro dual boot. I threw in a second video card and had perfect multi-monitor support in win2k, but couldn't get it to work at all in Whistler. Changed my bios to look for the pci card first and everything, even tried 3 different video cards with no luck. Anyone else have any input on the topic.
 
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i have a GF2 MX with twinview but i only have one monitor so i cant see if it works or not.

Allright. We have to get this straight. With 2 discrete video cards you can have independent refresh rates in Win2K. It's when you have one card with 2 outputs that Win2K starts to suck. I've had complete success with 2 separate cards.

I have two cards in my machine and it worked great in whistler 2250 when I had it. I works great in 2000 and I don't have it set up in ME because i use win me only to play games. Oh yeah and I am able to use two separate refresh rates and resolutions. I had a G400 DH for a while and it was having the same problem that you guys are talking about. I have heard that it is a problem with the os and not the video card drivers. But I am not sure if that is true or not.
 
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My System
Dell Demension XPS T500
Dual Boot
Windows 2000 Pro 2195
Windows Millennium Final
PIII @ 500 Mhz (with after market heatsink and dual fan)
256 Megs Ram
TNT2 Ultra Graphics Card
Matrox Millennium PCI (for second monitor)
3Com 10/100 Ethernet Card
3Com 56k Modem
12.6 Gig IBM HD
40X CD Rom Drive
100 Mb Zip Drive
MS Optical Mouse

Yeah I agree, two separate video cards works like a charm (like it is supposed to). Has anyone tried a dual connector card (Geforce II MX or Matrox G400 DH)?

I would be pleasantly surprised if a dual output card worked on whistler using Win2K drivers. The reason is because the drivers were written assuming that you use them on Win2K and it wouldn't work.