I liked the movie and enjoyed it very, very much. The anticipation was most worth it. This will be a day long remembered.. (oops.. wrong franchise) ;-)
I don't think anything will top Star Trek: The Wrath Of Kahn, though. That said: this new reincarnation of Trek is written for everyone and not just for the fans. So unless you have very strong feelings about time travel, are extremely nitpicky about all things Trek, and will only accept Shatner has Kirk - go see the movie already!