Dual monitors and gaming

I finally got my dual monitors setup, however I am having difficulty achieving the desired effect when gaming. I would like for the primary monitor to display my game while I am able to mouse over browse the internet, aim, etc on the secondary monitor. The problem being whenever I am running a game on the primary monitor I am unable to move over to the secondary monitor without minimizing or closing the game first, which sort of defeats the purpose. Anyone know how I might fix this?

And many thanks!

Specs are below, but I believe the only pertinent thing to know is my OS vista 64.

Intel Q9550 2.8 OC @ 3.8
Heatsink: Tuniq Tower
EVGA 780i SLI FTW
Nvidia GTX 280 x2 SLI
G.SKILL 4GB (2 x 2GB) DDR2 (1066 native)
SILVERSTONE OP1000-E 1000W ATX 12V 2.2 & EPS 12V
Windows Vista 64 bit

windowed mode is the way to do it. Unfortunatly windowed mode makes the game less useable because its hard to scroll to the side where the other monitor is. I used to use 2 monitors. Now I am back to one really large monitor because it just isn't feasible for gaming to use 2 monitors and have the same experience. Windowed mode worked for me though and enjoy trying it out.