Okay, I think I'm going against what I've said before, but I'll say it anyway.

I've decided that 128 is fine (for me). My reasoning is that I recently got the Klipsch ProMedia's, and now I can actually HEAR my music. Considering I'm listening to Candlebox's "You" at 112 right now and it sounds fine, I've decided I'll be fine in a car setting with 128.