Want to build my dream robot

Hi,
I want to build my dream project with the following features. Just want to know is handyboard a good choice to start or not. Hope someone can give me some guidelines.
1. it's car 2. can be remotely controlled by a PC or even internet wirelessly 3. can capture video and then send back to PC 4. can speak [get sound from PC]
Other nice-to-have features - has light - solar cell - digital compass - ir senor
Any ideas? Any third-party module I can buy or reference with.
I am looking into OOPIC and Handyboard. Are you good candidate to use? I think I'll develop it by phase. Any ideas on the phase guideline?
Thanks!
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