Originally Posted by
michalis
I have not tried the PXC 550s but another good option would be the Sony MDR1000X - whose noise cancelling is (apparently) as good as the Bose.
I personally own the QC35s and would probably not consider any of the others as I value the comfort and the excellent NC of the Bose above anything else.
I ended up disqualifying the QC35s and buying both the PXC 550 and MDR1000X to compare.
Still deciding, but I just started a work-in-progress comparison if anyone is interested:
http://www.flyertalk.com/forum/trave...-mdr1000x.html