If you don't need the wireless audio and really just want top-notch noise cancellation, Bose still sells its excellent QuietComfort 25 headphones, and they'll cost you $50 less. If you definitely want both Bluetooth and noise cancellation for less, the JBL Everest Elite 700 has great audio and so-so...
Best noise cancellation on the market; Balanced and powerful audio; Can function wired or wireless
Cable has no inline remote control; DSP has a major impact on the sound signature in terms of EQ sculpting and dynamics