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Really? Everybody is just pumping theirs up to 80 PSI? I know that is what the packaging says nowadays, but I've been pumping up my "new" one to 120 PSI almost every day for almost 3 years and its still going strong. When I bought my first one over a decade ago the packaging said to pump them up to 120 PSI. Get a lot more blasts out of it! I assume it is also a LOT louder, given that I see a big decrease in how loud each blast is as the pressure goes down and I'm not happy with how loud it is when I go to refill it and my floor pump says it is at about 80. The first 3-4 blasts from 120 PSI are amazing! I'm pretty sure they changed the packaging only because in some locales the amount of decibels the Airzoundz puts out at 120 PSI (120db IIRC) is illegal. I don't see any design change between my 2001 model and my 2010 model. It's possible there's some internal difference, but like I said, I've been pumping mine up to 120 PSI almost every day since March of 2011.

My first Airzoundz died because I took it to an alkali desert and that'll kill anything (hose got brittle and developed a leak). Had another one have a hose come apart on it (at the base), but I figured this was from a crash or maybe getting tangled with another bike in a rack or something.

Even if I had to replace my Airzoundz every 2-3 years, it'd totally be worth it for what it does. I consider it an indispensable piece of safety equipment on par with my mirror.

I mount mine in a extra cage under the downtube. The supplied velcro works fine since the vessel weighs almost nothing. I added this cage with Zefal mounts ("Elite VIP adapter). I don't think I'd be happy with the Zefal mounts if the cage had water in it, but with again with basically zero weight in it, with it holding just the Airzoundz vessel, they work OK.