From IDW, comes a hardcover edition of the Art of Cybertron book that was released last December.
This version is limited to 250 copies, and is price at US$125.

Extras include...
Limited to 250 hand-numbered copies
• Special handbuilt custom-designed slipcase
• Ten limited-edition lithographs housed in a hardcover portfolio
• Custom, exclusive to IDW Limited cover in metallic ink
• Vellum overlay of the title page
• Brand new endpages designed to mirror the style of the slipcase and portfolio
• Stamped with the IDW Limited Red Foil Imprint
• Red satin ribbon bookmark

Images can be seen here.