Thanks for the review, I've looked at that pack and nearly bought it. Like most REI items it's pretty expensive, but it looks like it has nice features. I'm just not sure it's big enough for my needs (usually I can store clothes at work but occasionally I have to bring a pair of pants and/or shoes). The other small concern I have is sweating, it doesn't appear to be elevated off the back like some of the nicer packs have to reduce sweating. I thought it had a special hookup to hold a helmet, is that not the case?