Remember that the rumor actually says you can opt for a single, large, SSD. So they make them all the same in that you can either have the blade or not.
Well we will see what they will offer I guess when is announced.
If all I see is sandy bridge dual core and larger touchpad plus the 8-16gb flash I will probably go for a refurb i7 2.8 and use the change for a nice big ssd as the perf diff is not that big.
If on the other hand they put the quad in the 17" ...