I'm in the same boat - I get Accurascale emails, I can see my outstanding orders, but not for all my orders - Hunslet, and 22000 orders haven't shown up in my AS orders page.
Also, no loyalty points transferred over.
I don't think I ever received the email about setting up an AS account - I manually created my AS account.
I have opened a ticket with AS support on this (I think - memory is bad...) - I think I had better open another one just to be sure
Woo hoo - my points have just updated on the AS site!