I just decided to go check out how long before I get to order Spore and was highly amused by what Amazon had to say on the matter...
Availability: This item will be released on March 30, 2007. Pre-order now!
Note: due to the availability of this product, orders placed now for this item will not be dispatched in time for Christmas. See last-order dates. However, it may still be possible to buy it new and used from our third-party sellers. Dispatched from and sold by Amazon.co.uk.
Well duh! ;)