I Run A Dell 2001FP (Soon To Be A Dell 2408FPW) For My Main, For Gaming, Web Browsing, My Toolbars Etc. And My Secondary A 19" Sanyo For Movies, Winamp And To Monitor My Hardware.
Just Set-Up Your Monitors In Dual Monitor Mode As An Extend Desktop.
Its Called Pausing, Alt+TAB Or Alt+Enter When You Wana Do Something On The Secondary Screen And You Happen To Be Mid-Game.