My local shop (Leamington) had one on display so may have other at half price.
Only problem is they quote its £299.99 down from £599.99 yet flicking through their brochure it states it was £499.99. So not really half price but better than the £449 which is cheapest on net.
If you wanted to argue you may possibly get them to do for half price of the brochure price !!!!