I know this isn't really important or anything, but I noticed that Mega Man switches his buster cannon from left to right. Just take a look. It's probably just that Capcom overlooked this or is there more to it?
[ame=http://www.amazon.com/Mega-Man-Megamix-Hitoshi-Ariga/dp/1897376162/ref=sr_1_5?ie=UTF8&s=books&qid=1274819340&sr=1-5]Amazon.com: Mega Man Megamix Volume 1 (9781897376164): Hitoshi Ariga: Books[/ame]