You need a matrox card... hehe, 'spensive,
I tried BF2 last night 3000x1000 res and I tell you what, NOT worth it in the slightest.
The frame rate was all over the palce from 60-15, (i had all level of detail on high on 7950gx2) and the text was all wrong and buttons werent easily accessable.
BF2 doesnt increase the FOV when you do dual screen, it just stretches everything lengthways and shortens everything vertically. kind of cheap widescreen too, ud see more on the normal rezes.
games like Quake3 where its easy to change FOV would be ok..
Chops, if you want the cursor to appear somewher else, make the game run in windowed mode and then make the resolution as such that you can position the window on more on one side or the other screen so the cursor is somwhere visible.