HMV seems to have the RRP incorrect (should be £89.99) - Quidco available.
Amazon does have the Wii and PS3 version for the same price, the xbox version is much higher.
Game and Wireless Board Controller bundle pack An all-new Tony Hawk experience created for a younger audience, SHRED allows players to GO BIG and feel the exhilaration of supersized skate and snowboarding using the game's innovative, motion-sensing board controller right at their feet. Featuring an arcade style look and feel, where the bigger the feat the better the fun, SHRED is packed to the brim with larger-than-life moments and a veritable assortment of jaw-dropping tricks - enticing kids to get off the couch and into the action. Players will be on the deck mastering over-the-top tricks, massive drops, awesome grabs and super long grinds in no time.
Whether riding on cement or snow, Tony Hawk: SHRED has it covered. In addition to skateboarding, aspiring snowboarders can jump on SHRED's amazing board controller and go crazy in a completely new way - feeling the ultimate rush of shredding down the steep mountain peaks of Whistler, the French Alps and Beijing, China as they launch off huge kickers and pull off crazy spins, flips and grabs.
There's certainly no lounging around with Tony Hawk: SHRED in the family room. With the game's innovative motion-controller board peripheral and exciting GO BIG gameplay, kids will be actively using their boundless energy while riding as any of SHRED's pro skate and snowboarders - the full list including Tony Hawk, Lyn-z Adams Hawkins, Corey Duffel, Sean Malto, David Gonzalez, Geoff Rowley, Stevie Williams and Chaz Ortiz; and snowboarders Travis Rice, Louie Vito and Olympic Gold Medalist Torah Bright.
Additionally, players will have access to Mii versions of all the pro athletes in the game on Wii, and can import their own Mii and Avatar characters in the Wii and Xbox 360 versions of the game! Whether it's younger kids raring to just get on the board and pull off huge tricks, or older players craving some good ol' fashioned friendly rivalry for the top score, Tony Hawk: SHRED offers an active, social gaming experience everyone can enjoy.