Interesting Article! And impressive performance !
I am not up to the technical detail but basically it look like there are quiet a lot of optimisation to do.
I hope a lot can be done to do generalize optimisation and not just for customized for some system.
Definitely "sendmail"(...) should be be loaded by default.
I was wandering how much the SSD helped on the Eeepc. SSD should be good on boot because of the very fast access time. However the SSD on the EEPC is rather on the cheap side, not that fast compare to the high-end (100MB/s range).
If we can get those time with a cheap SSD and a pretty slow processor I can't imagine with a better SSD. And there's little doubt SSD will get more affordable and faster with time. :)