I don't have really any wild ideas. I wanted to stick with more realistic ideas... I think EZRobot's idea to go with the EZbit connectors is a great idea. I'd personally would like to see you guys put together some sort of mega developers kit that would include various EZbit connectors, more servos, difference choice of wheels, etc... I'd also like to see some new robot designs and maybe some more types of EZ Bit connectors.
Other robots from Synthiam community

Edbot's RE3D The ROBOT Has Been Watching Too Much...
RE3D tried to audition for a Superbowl commercial, but got rejected. He blames me, of course.

Perry's Scratch
Hello, Now that I have moved on from my Inmoov I have been itching for a project. I would really like something unique...

DJ's Robotis XM430 Dynamixel Arm With Open CM9.04
I was using a robotis arm for picking stuff up - albeit nothing special, but thought the process might be useful to some...