I've been using Bang & Olufsen A8s for a couple of years. Very comfy, but lacked bass when you wanted to get into your favourite tunes. My new Shures are sweet. Exactly what I had hoped for. Only prob is you cannot hear ANYTHING around you.
I had a nice set of Bose ear plugs up until my last trip.. snapped off the plug getting up from my seat! lult, what series did you buy? I'm now in the market.