hmm, well those earbuds I had before were the sennheiser mx400s ($12) . I thought those sounded great, so if there's anything that has similar sound to those, but gives me more isolation, while still being portable, I'd be happy

I know nothing about headphones, but I'm planning to get an archos jukebox soon so here's what I want: very portable comfortable something where I'll be able to hear in a noisy environment without cranking the vol up too much (I used to have a cd player with some earbuds and they drove me...