John12, I got the same canned response today after emailing the help desk to check on my 2-day shipping change,

"I can confirm that we still expect to ship your order by December 8. It should be delivered to you by December 10."

It's not like they're calling down to the shipping department for physical confirmation, what they're confirming is just what they see on the screen.

We can only hope their screen is correct and that they don't run out of stock! (Ordered Nov 20 Super Saver Shipping changed Dec 5 to 2-day Shipping and it's still in Not Yet Shipped status)