The only classics I always watch is Disney's Classic Shorts, pretty much because I already seen a ton of Warner's thanks to my time Cartoon Network from here. I was watching some clips of the Three Caballeros last night, and it's pretty fun to understand the 90% of Josť Carioca speech just because Portuguese and Spanish are so close as a language =P.
I also had a disc of a bunch of Banned WWII Propaganda Shorts I torrented which are pretty fun
. I had to admit some are just lame for its nature, but Ducktators and In Der Fuhrer Face are just insane. And Hilarious ^^!