overall w580 design better and cheaper lo...but keypad crack like hell...tvb now,tvbnow,bttvb6 x6 b! E& z- x/ O; V9 S5 g
w910 more expensive...but the price will drop soon...
They both shit公仔箱論壇7 t n6 J3 g" a/ b# ?% {% P
i have the W910i, its system is too slow respond... & Y7 p$ S+ b6 U8 _公仔箱論壇also the battery can not be used long...& g$ N- V9 v+ k