Yeah the Xbox 360 looks like your thing, and pc's are also good for fps, i got two 8800GTX's in SLI and it blows away everything.
But if you want a console for shooting xbox 360 is your best bet... also now that Atlus and Microsoft are now freinds you can expect a few decent rpg titles for the 360.
I think all the new Xbox 360's have a new chipset that eliminates the threat for a red ring but don't quote me on that.
Current Consoles: Xbox 360 Elite, Playstation 2, Gaming Rig, Nintendo Wii, Playstation 3.
Xbox Live: Jessman_Aus - Playing: Ace Combat 6, Fifa 09
Playstation Network: Jessman_Aus - Playing: MGS4, Resistance 2
Wii Freind Code: 3513-9191-8534-3866 - Playing: SSBB
Brawl Code: 1590-6125-1250
Xfire: J3ssman - Playing: Fallout 3, Farcry 2
Jessman: Fears the Mangina