I would like to see

Homelink
Xenon
Bluetooth
VSC
Auto Headlamps
Rain Sensing Wipers
Integration with the IMA with the Nav System such as in the Prius
Locking Glove Compartment/Light
Heated Seats
Folding Seats (since the battery prevents this i'm ok with it being missing...)

(..and don't raise the MSRP please!)