The MZ-R700 looks cool, has a metal lid, awesome battery life, great interface, out of the box comes with remote, decent sounding headphones. the ONLY bad thing about it was no NetMD, but the player came out before the whole MP3 player thing popularity ipod thingy, so at the time i really did not know what i was missing nor it was missed. as for the MZ-RH900 The buttons are too small, battery life is not as good as any of my old players (without external battery attachment), no remote, plastic lid that scratches easy, menus are not very intuitive, headphones that come included SUCK, HiMD is the only redeaming thing... it is awesome and i enjoy it... but the R700 has a speacial place in my heart.