And I no way endorse Shure or work for them etc.... honestly on comparison I think most of their other products suck and won't touch them.

Fairly new to site, but definitely not new to music and sound. As a professional singer for most of my life have dealt with hundereds of type of buds, headphones and speakers. Just received a set of xba2's and really took about 20 minutes and 6 songs to know what they offer. i deal with most...

I actually am just getting ready to venture into a couple of pairs of the sonys, just out of curiousity. Probably buying one xba3 (From people who I've talked to that have owned both those and the xba4s, say the 4's are better for a couple types of music and particular instances than the 3's...