Halo, Swat 4 (old, but good games, both has demos, play it); FEAR (1 and 2); Crysis; BT 2142; Left Four Dead. And yes Quake 4 Sucks.

Grid? ,come on people! Play GTR 2 and rFactor (with mods). Richard Burns. And NF Most Wanted. Ah, and dont forget Mario Kar LOL.

I cant find the 7300 gs driver. In the nvidida page the list of supported for 162.18WHQL is:

GeForce 7200 GS
GeForce 7300 GT
GeForce 7300 LE
GeForce 7300 SE
GeForce 7350 LE

From http://www.nvidia.com/object/winxp_2k_162.18.html