Research a way to use outside light to back-light PSP screen using light tube! Like this, when very sunny, we still can see something, and save battery. When no light, regular back-light can be used.

Strapped device that monitor health (heart, accelerometer,…) & record it when outside. With us when making sport, it feeds PS3 software with data & coach us. can deduce motion knowing sport kind.

Invite virtual 3D objects in your place by having semi-transparent glasses to display them. A device on glasses can detect TV or furniture position, to make virtual obj more “real” when moving around.

Allow to use PS Move to hand-write words in the air (display white-board on PS3), that will be recognized and used for text input dialog. Handwriting recognition could also be used for USB tablets.

Would it be possible to have some PS3 games that are useful to humanity? Using the gamer power to do things where humans are stronger than computer (like FoldIt on PC). we could play & help same time!

Support IPv6 (both PS3 & PSN servers) to directly expose PS3 on internet rather than through NAT+ports. QoS support could also reduce lags for live gaming if high priority is put on critical streams.

DVB-T EPG is not good in my country, you only have programs for the next 2-3h (when you have something o_O !)
Allow PlayTV to connect as an option to a sony server to get the TV program on 1 week!

TV’s PIP cannot be used because it hides part of the game! Allow to put small screen size in bigger one without resize + black around + choose position. (ex: 720P in 1080P) Useful for TV widgets also

Browsing web with PS3 is not very ergonomic. On PC having several pages is common. Put “Close current window” in triangle menu, circle=close window prompt, long circle=quit prompt, L/R1=switch page