Is that really going to do the trick? I was more thinking active noise-canceling. My ear buds do ok, but there's a significant difference between those and my buddy's bose in terms of noise reduction. I've heard bose headphones aren't as bad as their speakers, but I'd still like to be convinced...

I have a pair of $150 Ultimate Ears earbuds, but I'm looking for something fullsized that does real noise canceling. The air conditioner in my office is loud and I fly a lot, so this is important to me, as is sound quality. My buddy let me borrow his $300 Bose head-phones for a trip, and I...