The Press release from Asus on the P525 reads "ASUSTeK Computer Inc. today introduced the P525 quad-band PDA phone, which incorporated Push E-mail, Wi-Fi support and built-in numeric keypad to deliver a complete mobile business ...

CNEts' take on the Asus P535 was " The good: Speedy processor; integrated GPS receiver; good set of connectivity options; comes bundled with car kit/charger; compact.The bad: Dull-looking design; no 3G; 2.5mm audio jack; poor ...