I'm considering buying some Supertips and I'm not sure what size I should get. I've seen a few threads with pictures of just the tips themselves. Are there any pictures with tips that are on ons set of in-ear headphones? I'd like to compare it to what I have. I'll post a couple pictures of what...

I have a Cowon A2 and D2 and the JetAudio sounds amazing, much better than my computer's on-board sound card. But it doesn't produce the 20 hz the Golds are capable of putting out. What sources does everyone listen to? Also, what kinds of songs have a lot of bass? I'm not really too much into...