I'm looking to buy a new pair of headphones, will be used for / preferences;   - Over ear, open - Desktop setup - Music: Progressive rock, Hard rock, Stoner rock, Electronic, some Hip-hop - Video games   These are the ones I'm looking at; http://www.prisjakt.nu/list.php?l=2409831&view=c...

I'm looking to buy a new Amp and DAC for my desktop setup, want to spend around $450.   I've got a pair of AKG K550, but I'm looking to invest in a setup that will work with stuff like the HD650 or the K702 if I want to upgrade in a year or so.   I love the feature set of the HiFi M8, don't...