Well let me throw my 2 cents in. I just got the HD650's and paired them with the Leckerton Audio UHA-6S MKII. I find it to be a very good match. I use it pretty much just as you described your intended uses would be. I do not know how hard it would be to get it outside of the US though.
Edited by arcticears - 9/22/12 at 9:47pm