Quick answers:

1. Maybe after some time of developing, the i7's are still pretty new in the game

2. I hope my butt off for this

3. Thats a good possibility, they have 16GB in single flash drives now, real cheap too (yeah, i know there's a difference between FD and ram)

4. way greater possibility, little compact flash cards can hold 32GB now so imagine what what they can do on a bigger scale
for now i can settle with this http://news.cnet.com/8301-17938_105-9982978-1.html

5. Steve has all ready decided, http://www.engadget.com/2008/10/14/live-from-apples-spotlight-turns-to-notebooks-event/ for now. (scroll to 10:55 AM), but he might change his mind.
Hey, 25GB on one disc