From the official press release:
The limited collector's edition includes: a bonus disc with a new behind-the-scenes making of video, collectible Hobbe figure, a LIVE trial card and additional in-game content (an Xbox LIVE account is required to access the limited collector's edition bonus in-game content).
Pre-order a copy of Fable II or Fable II Limited Collector's Edition (at participating retailers*) and earn or gamble away in-game gold via Xbox LIVE Arcade Fable II Pub Games (Keystone, Spinnerbox" and Fortune's Tower) in preparation for the game's full retail launch later this year.
*USA - GameStop, BBY, Circuit, Game Crazy, Amazon
UK - Game and GameStation
Mexico - Blockbuster and Gameplanet planned
Aus/NZ - EB Games, Game, JB Hi-Fi, Harvey Norman, All Interactive, Dicky Smith
Canada - EB Games and Toys R Us
Netherlands - Bart Smit, 12Game, Xboxhome, Bol
France - Micromania
Switzerland - World of Games, GameStop