Few movies I've seen recently that were better then I expected, and yes some of them are old:
1) The Money Pit - 1986 movie with Tom Hanks in it, hilarious movie.
2) No Country For Old Men - 2007 - Best movie i've seen in awhile
3) Children of Men - 2006 - Awesome movie, and very philosophical
4) Ong Bak - Agreeing with gordo, one of the best martial artist movies. and...
5) Tom yum goong - AKA "The Protector" -
Photos from The Protector
If you thought Ong Bak was good, this is better.
6) O Brother, Where art Thou? - 2000 movie, one of the most hilarious movies I've ever seen.
7) Road to Perdition - 2002 - One of the best "evil" Tom Hanks performances
8) The Usual Suspects - 1995 - In my mind its a slow movie, but how it turns out is outstanding and downright mind boggling.
my last one...
9) Casablanca - If you want to know where a ton of spoofed lines came from, this is the movie to see.