I don't like the sound of this SSD card. It will likely be non user replaceable or cost a bomb, most probably both.
Other than that, it looks very interesting, even smaller than the outgoing model.
It doesnt appears to be SSD cards (like ram sticks), its soldered onto the motherboard.
The SSD onboard can be much cheaper than the 2.5 SSD and the cards, youre just sourcing the chips itself from the manufacturers than to source a complete product with higher markup from the device manufacturer.
Its like ordering parts yourself than ordering a full computer, you pay less for the parts because you dont need to pay for the builder fee.
It is likely to be not a user-replacable part and if the chips die (not likely for a long time if Apple source high-end excellent chips), the entire logic board would have to be replaced.
That would be great. It may not make any difference with this upcoming MB Air because the read/write speeds of the SSD are unlikely to saturate the SATA-2 bus. But in the next couple of years hopefully SSD's will be faster than the SATA-3 bus.
Whatever Apple picks now is likely to be much faster, cheaper and higher in capacity from the previous Air model. It would be awesome if Apple sourced the ONFI 2.1 NANDs and hook it up with a SF-2000 controller, its capable of pushing 500MBps of data both way.
SF-2000 controllers (SandForce) with ONFI 2+ NANDs are already capable of pushing 500MBps both ways. SATA 6Gbps maxes out around 600MBps, its not long before well max out SATA 6Gbps already and SATA 6Gbps hasnt reach the mass adoption yet which is sad.