I bought a pair from seller Kanoya on eBay as well as a recabled set here on Head-Fi. Their technicalities are solid, with great timbre, fully extended sub bass and no fatiguing treble spikes. The Blons (BL-03) are a pretty decent comparison but the Sonys are even smoother. For me the MH755 comfort isn't amazing unless you can wear them over-ear, and I have microphonic issues. And they ironically require quite a bit of juice even though they usually come with a little Bluetooth player. But I think everyone should have that type of budget benchmark in their collection.