I have been avoiding online play for a long time but have the urge to get back into it a little. The only FPS I have on the PS3 is Resistance. If I wanted to pick up something with a good size community what should I grab? I have never played COD 4 but with MW2 coming out this year I assume that will kill those off soon. How is Resistance 2 or Killzone 2? Anything else to look for?