有無touch screen手機介紹

It depend on how much you can afford... the cost around $3,500 - $6000, all Windows Mobile model,
HTC Touch - ~3,500 GSM 三頻 (but speed slow) Windows Mobile Standard
HTC P3600i - $5,400 GSM 四頻 Windows Mobile Professional
HTC TyTN II - $6,000 GSM 四頻 Windows Mobile Professional
O2 - $3,700 - $6,000
It really depend on what function you want, keyboard, 三頻 / 四頻, Wifi, etc..