I have the matrox g450 dualhead, and i love it dearly. I would hate it when i had to go back to one monitor. Take the plunge, you wont regret it. You hear some people about no dual-monitor support for ptle, but this is really only a minor hassle. Hard to describe, easy to see when you have your dual setup, and it'll cost you only about 30 seconds a day extra anyway... I dont think you have to be concerned about the power consumption...