So I start with Crysis 2, as I enjoyed it very much and it was fun to play, had and still has amazing graphics and needs only low requierements compared to other games with such a graphic.
So I think the second part is going to be awesome as well, even if I like jungle more.
Here is a Trailer: http://www.gametrailers.com/video/e3-2010-crysis-2/101432