O2 XDA IIs (2004)
O2, like Palm, were well known for its PDA devices. The XDA IIs
, released in 2004, featured a slide out QWERTY keyboard, and was a fully featured PDA combined with a mobile phone. Initially retailing at $1,599, the XDA IIs was pricey, but for its time had a good range of organiser functions and wireless connectivity options.