ELIZ gave perfect details, and also remember you PC will have to be on in order to hear sound is you go the line in route. I use my monitor when I wanna watch TV while playing
Athlon XP 2500+ @ 2310Mhz 11x210 || Abit NF7-S Rev 2.0
1GB Kingston HyperX PC3000 @ DDR420 || ATI Sapphire Radeon 9700 Pro
Catalyst 5.? || Windows XP - Unified Driver v5.10
DirectX 9.0c || Windows XP SP2