I could never get the 8320s to fit right.  I put on smaller tips (helped a little), put the cord over my ears, in front of my ears, twisted the bud...my ears just aren't big enough.   The 8320s suffer mostly from a bizarre design.  If Monoprice would put the same guts into a standard, straightforward bud I would buy them in an instant.  Soundwise, they are on par with UE SuperFi 4s and MEElectronics M9P, but with larger soundscape.  All of the instruments are very distinctive, even on crappy 192 AAC.  Isolation is poor with the stock tips, better...