id say go for battlefeild 2142 its online only but it has everything your looking for, it has vehicles but alot of servers turn them of so there arent any it dosent have search and destroy but it has titan mode which kicks *** so id take a look at it
i'm looking for a cool FPS that has the following features:
.a variety of weapons
.classic modes: such as Death match, team death match, CTF
.newer modes: such as conquest, search and destroy.
.urban style maps
.online play
.anti-hacker support
.no vehicles (if it has the formentioned and vehicles, still suggest it)
if you can help i would be very much appreciated.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic