There will be NO Surface Pro pre-orders *Update* Sort of
At least at my local Microsoft store in NJ, I just called to ask if/when I could pre-order and was told that there won't be any. On the 9th it will be first come first serve at the store, and they will open up online orders and over the phone orders that day.
Update: Went to double check at the store itself, and while they are not technically doing pre-orders, the girl on the phone neglected to tell me they are handing out passes reserving you one for the 9th. The pass can only be redeemed on the 9th and you do not pay ahead of time, so if you don't show on Saturday they will probably sell the one they reserved for you the next day. Also apparently the pass lets you jump to the front of the line if there is one.