Now here's a Sony Ericsson PSP phone concept to get you drooling over. You get a dual slider design just like that found in the Nokia N95, whereby sliding it downwards will reveal a numeric keypad that we see on everyday handsets, while doing otherwise unveils a pristine set of gaming controls. WiFi connectivity, a built-in media player and a 3.2 megapixel camera rounds off the list of features. Should such a concept actually materialize from Sony, it would be nice to see just how the battery life fares considering the amount of functions crammed into it. Another issue of concern would be the UMD format - will Sony be going ahead with it, or revert to its proprietary Memory Sticks?