Do you have any preference on the HD 600's Vs. the 650's? and also would i need an amp comparable to that, idk but 2200 is way out of my price range, should one typically invest alot more into the amp? sorry im such a noob lol

Okay so I'm a huge music enthusiast and love everything from metal to rap to funk and jazz (excluding country, yuck); the thing is though I've never really put too much thought into the actual headphones I use. so any help would be appreciated, im going to attend college soon so I wanted a...