> Malty strong beers age well. Hoppy beers don't because the compounds are volatile.

> IPA's always taste off to me.

That sounds contradictory to what I've heard about IPAs: that they were created because the normal beers the British had at the time wouldn't survive the journey to India, so they added a lot more hops and called it India Pale Ale. Based on that, I'd expect them to age better, not worse, than other kinds, but I'm not a beer person and this is just secondhand knowledge that I've never bothered to verify.