I always say Shure is a good bet, but there are some other good suggestions at this article under earphones

Tim's a great guy - you should see the gear he's got to test those things.

the marshmallow-y ones that you give a squeeze before putting them in your ears...

Yeah, I don't even wind up paying that much for mine... I tend to sleep with my earbuds (husband and I listen to different music).

So I wind up destroying them fast. So I get them cheap when Woot has them.

I'm very good about not losing or destroying them, and the cheap ones have done harm to my ears.

I also can completely tell the difference, so I try to get super good ones.