I've seen few movies this year, but I guess I tend to catch up with the year at the end when everything is on DVD. Here is my list, ranked, with the score being out of 10. (Only counting films which have a 2009 date on IMDB).
Up - 9
Funny People - 9
Whatever Works - 9
Harry Potter and the Half-Blood Prince - 8
Star Trek - 8
Angels & Demons - 7
I Love You, Man - 7
The Hangover - 7
Watchmen - 7
He's Just Not That Into You - 6
Year One - 6
Brüno - 6
His Name Was Jason: 30 Years of Friday the 13th - 5
Observe and Report - 5
12 Rounds - 5
Fast & Furious - 4
Hotel for Dogs - 4