It's Game-day today at The Hut, but sadly the code excludes pre-orders. It seems that the unique 10% discount codes from The Hut email newsletters still work on the Nintendo 3DS Pre-Order games! (Doesn't work with the console)
All games are currently £29.85 on the site, and with your unique discount code, it comes down to £26.87 including delivery, which seems to be the cheapest at the moment.
Just sign up to the email newsletter, I think the discount codes are sent every Friday.
Not sure if QuidCo works yet but will report back is if does!
*Edit, just tracked! 94p lol