Following hot on the heels of the hotly anticipated Sidekick LX and Sidekick Slide launch on T-Mobile USA, new speculation points to the possibility that T-Mobile will be releasing two new Sidekick handsets this summer. References to Sidekick codenames "SK Gekko" and "Sidekick Aspen," uncovered by TmoNews, lead us to believe that the "Gekko" Sidekick [...]