Go on imdb site, open top 250, download them and start watching
IMDB is vulnerable to bogus voting and Cabal voting. So I wouldn't prefer that site.
http://www.imdb.com/chart/topFor example, I wouldn't rate
The Lord of the Rings: The Return of the King in the top 100.
I get your Point that IMDB is not the best parameter to judge a movie But I totally disagree on TLOTR:TROTK don't get a place on top 100 as all the movies of LOTR trilogy was just Brilliant on everything. Yeah you can say the return of the kings was lil dull compared to other two but it surely deserves a place up there.