Keep it simple!
This guy writes great stuff on design and mobile design in particular. I forget how I found out about him (I think he gave a presentation here at Nokia that I ended up downloading), but he comes highly recommended by anti-mega and blackbeltjones.
Link: f r e e g o r i f e r o | weblog.
Hail the power of perceived simplicity: why shouldn’t all mobile phones give users the ability to choose a "basic" profile?
We need connected devices that actually do more by doing less, by keeping things simple for people who do not want to deal with unnecessary complexity.