Shannon and I went to see Matrix Reloaded on sunday, and I have to say its a great first half of a movie! lots of mind-blowing special effects, and enough philosophy to make ones head hurt. My only advice is to pay extra attention with the Oracle and Architect are speaking.
I don't want to give away any story, so all I can really say is if you liked the first one, you should get a kick out of the second.
BTW for any lovers of FLUKE, they did the music for the dance scene in Zion. (things you learn while watching the credits)