Speaking of Super Mario Bros, Super Mario All-Stars (SNES) gives me such mixed feelings I feel like I might explode. WHY!?!? The graphics and sound quality it gives the games is great. But for SMB1, they fucked up the physics and nearly ruined the game! It's all choppy and hard to get momentum in all stars, in the original it was so smooth and once you mastered it I felt like you could just glide through the levels.
The Super Mario All Stars version of Super Mario Bros. 3 kicks ass though.