Yeah, no kidding... I didn't look at the date of the first post, so I was a bit confused for a sec there: "Mega 2? Hmm, must be new... wait, AustinPowers, another new guy? And this is the kind that reposts his sig, no less. *Scrolls down, then back* Oh...
Anyway, this is a good topic, so I'll just say that though the tropical music and oasis-esque backgrounds in SMB were odd (as was not changing the color of his clothes correctly), but enhancing the graphics is what remakes are all about (among other things). Besides, the game has been remade in its original form several times since, so if you want that it's not too hard to get ahold of.