Well, been playing it on and off for the past few days, here are my thoughts:
+Its a lot faster pace than BC2, I actually like not spending the majority of the time running to objectives.
+The weapons feel a lot more customizable and more satisfying to use than in BC2
+Some of the non-ranked games and mods are very fun
-Holy hackers! it seems every other server I join has someone with an aimbot
-It seems there's no way I can change my loadout while connected to server
-Feels like the majority of players are in 24/7 nuketown servers (don't get me wrong, its a nice small actionpacked map, just gets tiring after a while; especially with the nade spam there)
So, am I buying it? not at the $40 mark. When / IF it falls to $20 and below, I'll probably pick it up, but not worth it at this price point.