Now that both of my iPods are dead (or too low capacity for my growing library) I want to put together a budget portable setup. My plan so far is to grab a Clip+, Rockbox it, and add a 32gb SDHC. I really like the warmth and clarity that I get from my SR60is and I've heard great things about the Clip+, so I was wondering if I would benefit from a headphone amp. What are some strong sub $100 recommendations? I was looking at the JDS Labs CmoyBB, but I probably won't use the Bass Boost at all because I like the bass quality from my SR60is.