Visit the Eidos Forums Official Pre-Order Thread for a massive update on all the pre-order incentives from all over the world. There are even some exclusive items I didn't know about! I've ran another sweep of Google images as well and found some interesting tid-bits below:
What's this?! A compass!!!
A mouse pad! A necklace!
I wish the U.S. was getting this steelbook.
Enlargement of the CE Limited Print