I would love to see all of what you mentioned on the updated MacBook Pro, especially the MacBook keyboard. I have had a lot of problems with keyboards on the aluminum PowerBook, which I believe is the same one that is on the MacBook Pro, especially with the spacebar. It seems very spongey and unresponsive after some time of use.
A new iSight camera would be very welcome as well, and, obviously, so would the boost in speed that would come with the Montevina chipset. I would die for a 2.8Ghz processor in a portable- looks like that dream may become a reality in time for my August MacBook Pro purchase... Although I still am clamoring for a Blu-ray disc solution. Not that that would make or break the MBP for me, but it would definitely be a nice addition.