2x5450 is enough just I found ver very good deal for 5770 so take it

for now I have:
5870 2gb e6 - 2xDVI + 4xDP@VGA
5670 512MB - 1xDVI + 1xHDMI@DVI
5450 512MB - 1xDVI + 1xVGA

8400x2100 res - DONE


YouTube- 8400x2100 (17,6mln pixels) DIRT 2 GAMEPLAY

YouTube- 8400x2100 (17,6mln pixels) FALLOUT 3 INTRO