I bought the b&O h6, the sennheiser momentum 2's and the Bowers & Wilkins P7s to try out. The b&o's weren't even competition for the other two. Not even close. In the end I went with the sennheisers.

I have the hd650s... I recently got a deal online for a new hdva600 amp for $800. The sound is phenomenal - crystal clear with lots of space. My question is are there better amps or amp/dac combo options for $800? Or am I in good hands with the hdva600 once I get a dac? I know this is...