it really depends most on how far the card strays from the ATI reference design and which ROM revision you use. You could end up with no DVI output, VGA only on the DVI output, or everything working perfectly.

The Radeon 8500 64MB Retail is the closest to a sure thing. As long as you stay away from the 128MB version of the card you should be fine. The 64MB 8500LE and 8500 OEM cards with DVI sometimes have a bug where they think a DVI monitor is always connected but since you plan on using one anyway that wouldn't really be a problem.

The 9000 Pro, 9200, and 9250 should work as well but they require a little more effort and purchasing an identical card to the retail\reference board.