Sony Ericsson HP

The Sony Ericsson I got the model is K618i. There's got 3G, bluetooth, no radio, MP3, PlayNOW. I think my games of Tennis is more pro than after. I am thinking what am I doing? I thought myself will buy the Cyber-Shot handphone or maybe walkman handphone. My classmates, some are Walkman handphone, K750i, Nokia handphone and lots of more things to do.