Bioshock/2 - Amazing atmosphere and story, and pretty good gameplay. Totally immersive. Second one has much better gameplay, but the rest is just okay.
Uncharted 1+2. Don't let people trick you, Uncharted 1 is fantastic. You probably won't enjoy it as much as 2, but it has fantastic pacing and some truly challenging fights. And when you get to Uncharted 2, we can rock online.
Speaking of online, with MGS4 closing its online, will it now be impossible to get a platinum in that game? I haven't played it but that would be sad.
--
SuperNiceDog? More like GuruNiceDog.