Is there any good in-ear headphones that cost around $20? Helping a friend find a pair....

So I found a few earphones I looking at buying, but not sure with ones: I was thinking about the Shure E2c-n, since I heard good things about it, but how exactly do they differ from the normal Shure E2c... Also, since those are now "officially" discontinued...Would the Shure SE110, be any...

How exactly does this thing work? No no, I read the official site...I mean from after the mod? What is with the "you can't use a normal dock" and do you pretty much have to walk around with the mini amp attached?

I am currently the owner of a iPod Video (Gen 5) and so far have been stuck to using the iPod buds, ew...Anyways, they didn't last long, the rubber thingy around them started peeling of for some reason....And it was really ridiculous how it forced me to put the volume like half way just to...