^^^
QC15s are nice, but quite expensive since they have that Bose label. The noise cancellation works quite well. Too bad you missed the clearance of the Sennheiser Amperiors, and other models. Although, they don't have active noise cancellation; they still block out sound with the ear cups, and sound incredible. The clearance price made them a must-buy. QC15s go on sale now and then for $200, though.
I received my Aune T1 today! From the initial listen, it's definitely an improvement over the PA2V2. The PA2V2 is still awesome for portable use, but it's a third of the cost of a T1 for a reason
. The T1 has stronger mids, and doesn't have that late hit with mid-bass notes. Also, since it's a DAC, any (negligible) interference from the computer is gone! Now, I gotta find me some tubes!