[Graphicism]

I haven't heard the Bose Qc15 so take this for what it's worth, but I would imagine from their elevated bass and semi-decent soundstage you might find the $120 Ultrasone HFI-580 to your liking.
 
http://www.amazon.com/Ultrasone-HFI-580-Surround-Professional-Headphones/dp/B00101UHS8/ref=sr_1_1?ie=UTF8&qid=1349331097&sr=8-1&keywords=ultrasone+hfi-580

 

[onehungano1]

I tried the sony mdr 1rnc, the noise cancellation is just amazing. I tried others like beats, UE6000/9000, and other sony NC headphones. None of them can compare with 1RNC on noise cancellation. So if NC is important for you then it is a good alternative for QC15.