I bought the MP-600 .. have to say i really love it .. sounds soo gooood ! fantastic .. but i had to use my Sony head phones to get a good sound . i just play music not interested in the other stuff. drag files to it .. ez
dont know yet just got it .. but hey from what i see it should be just fine. dont know about battery life yet .. heading off to Hawaii to test it :)
for the price i'm more than happy .. love it .. so easy to use. use a good set of head phones tho .. love this and the Sony MDR- G57 headset combo .. sound is amazing. and alot of volume. :) . remember i just use it for mp3s .