Well I just joined Head-Fi yesterday after spending quite a bit of time on the site, so I thought I'd drop some novice input.  My wife knew I wanted some nice cans, after being without any since I was a teenager.  As a present, she recently gave me a set of the Beats Mixr model.  Not exactly what I would have bought, but these were certainly better than anything else I've owned.  Not having much else to compare them to, I enjoyed the bass and the volume I could get out of them.  I've seen the 'Beats bashing' going on, and I know there are plenty better out there, especially for the money.  I've since picked up a used set of AE2's as a 'spare' for $20 on eBay, and I certainly like the Mixr's much better in every respect except comfort.  Mixr's on-ear design gets uncomfy after an hour or so.  But as a dad in a busy household, my headphone-wearing time is pretty limited, usually in bed after my wife falls asleep or during a road trip, so I can't enjoy anything that leaks.  This is where the Mixr's have a great advantage - I can crank them and it won't bother anyone.  And IEM's ain't happenin' for me.  So no plans on taking them back, they landed a solid place in my lifestyle.  However, I do enjoy high-quality audio, so I definitely plan on an upgrade down the road.