overall w580 design better and cheaper lo...but keypad crack like hell...tvb now,tvbnow,bttvb; ? I* v+ }; }% L1 t- X6 D
w910 more expensive...but the price will drop soon...
They both shit8 C0 K \( k' h1 P2 J# w
i have the W910i, its system is too slow respond..." h' V9 b- c4 w" D
also the battery can not be used long..., S+ a0 Y6 T- N! w0 Y
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dont waste money buy others...