Super Mario Bros. 2 (Yume Kōjō: Doki Doki Panic) > Super Mario Bros. 3
...
[ilikebothgamesalotthoughforsomereasonilikethesecondonemoreidon'tknowwhy]
I also find Saga Frontier to be a really good game. The first one for the PS1, all the others I more or less hated.
I also think Pepsi is better than Coca-Cola if it matters.