i currently have a pentium 4 2.4GHz, and 2 gigs of ddr400 ram with an ati radeon 9600 series all in wonder card. i am thinking of getting into some top end racing games for my pc as well as thinking on buying a logitech remote control to play games with...im wondering if my pc will have enough cpu and gpu power to play such games that are out and new...thank you...if not what would you recomend upgrading...my board is a dell so cant overclock and i have a socket 478 and agp

Most games will have the minimum as well as recommended requirements posted on their web site.

Here is a cool link:

Can your computer run that game?
System Requirements Lab analyzes your computer in just seconds, and it's FREE.

http://www.systemrequirementslab.com/referrer/srtest