I joined the reservation list @ 9:58 on 4/17, and received the invitation to purchase the 990 on 5/12 @ 12:19 P.M. I hope that people that are still waiting for the invitation to purchase are not getting discouraged. I think that it is pretty evident that they are sending the invitations out in batches, and that they are being careful not to make errors, and to provide good customer service.
My current feelings are, that there are still units available. Not sure, but I think that they would let everyone know when the current stock has been depleted.