According to the BoyGenius Report rumors of the Sony Ericssson W999i Walkman phone have been confirmed due to an accidental posting of the device on the GSM Association website (search by brand for Sony Ericsson). Rumors of a new line up came about weeks ago, but nothing near to concrete as this.

The information is pretty scant, but as usual the picture itself says quite a bit. The W999i Walkman features a slider form factor exposing a two-letter per button keypad and …