Here is something I had been following for awhile - the
Android phones which already has the same functions as the PMP - such as movie playback, music playback, photo display etc...... I mean, you get all the same features as the PMP but with the added function of being able to make phone calls as well. Nowadays, pretty much everyone carries a cellphone/mobile phone. Why carry a PMP with you as well if you can get the Android phones that can function as a PMP but also is your phone?
Take a look at some of these for example:
$188.11 TinyDeal - 3.6 Google Android 2.2 Smart Phone+ TV+ WiFi
http://www.tinydeal.com/42-large-touch-screen-google-android-22-att-tmobile-vodafone-unlocked-smart-phone-mobile-cell-phone-wifi-p05h7000-p-32358.html
http://www.tinydeal.com/405-google-android-v22-att-tmobile-vodafone-unlocked-bar-mobile-cell-phone-wifi-tv-fm-p07a1-p-29963.html
http://www.tinydeal.com/google-android-v22-34-att-tmobile-vodafone-unlocked-bar-mobile-cell-phone-wifi-youtube-wiki-mobile-tv-fm-p05a738-p-21247.html