Best online PS2 game as of 2008?

What is your favorite online game that is still playable online today. If it's a shooter, you may include it in your post, but I encourage you to add a non-shooting game that can be played online :P

I got Ratchet and Clank: Up your arsenal today and I did not like it very much

Thanks in advance.

BF:MCHavenlyHunter

midnight club 3 remix because its the only one that i own that has more than one room online unlike burnout 3 i just see only one room and its full