What's up with the four play-in games (officially called the "First Four") in 2011 and will OfficePool be bale to handle these games.
Short answer is, Yes, OfficePool has been updated for 2011 to handle the First Four games.
A little bit about the First Four: According to the NCAA, the final four at-large teams and final four automatic qualifiers will play in these four games in order to advance into the traditional 64-team bracket. Each region will have one play-in game and these will be determined on Selection Sunday.
Here is an ESPN link for more about the First Four.