From MSMobiles:
E-TEN M600 is by now the only small-size Pocket PC phone with built-in Wi-Fi and full-size SD card slot. Since some people already have multi-gigabyte SD cards (even 4GB SD cards!), they would like to reuse them in new phones, but since some of them have only mini-SD card slot, then whole investment and software and media libraries that they gathered in their full-size SD cards are lost. Not in the case of E-TEN M600.
Now go on admit it, doesn't this bit of kit look fantastic? (maybe it's the Orange colour?)