RPad.tv claims to have some details about the successor to the DS. Supposedly, the details come from developers at GDC. Keep in mind, however, that you should treat the information below as rumor for now.
– 2 screens
– Screens are bigger and are of higher resolution
– Gap between the two screens is very small
– Developers will be able to use both screens as one big screen (seen in some DS games)
– System will have an accelerometer
– Dev kit is similar in power to the GameCube, devs with GCN/Wii experience will be able to create games somewhat easily
– Developers indicating that there isn’t much of a learning curve with the kit
– Some developers will have their games complete before the end of 2010
– System might be announced at E3, might release this year