MMOFPS (2,000 players per battle) with three continents at launch (wherein each continnent holds 10+ bases, and each base is the size of a BF3/CoD map), tons of vehicles and weapons with customization, it's Free-to-Play, and it looks amazing.
Can NOT wait for beta!
Planetside 2 Alpha Highlights
http://www.youtube.com/watch?v=SIE42ZfdKbI&feature=plcp
Planetside 2 Massive Air Combat
http://www.youtube.com/watch?v=mfwd3U709dc&feature=plcp
Planetside 2 E3 2012