I am looking for speakers for my desktop. I have been just using my headphones (ATH50x and sennheiser598) for everything. I have soundblaster z for my sound card. Would like something ~500$s, but willing to spend more for quality. Mostly for listening to music (pop, hip hop, classical) for when...

mp3 player: ipod touch music most frequently listened: classical/newage piano/instrumentals, jazz, underground hiphop, and current popular songs.    USE: listen to good quality music with good isolation. also, I need it for class (block out the lecturer so I can actually be productive). ...