Taken from the hmv.co.uk website

Avaliablity Status:
Due to the unprecedented demand for the Wii, orders have now exceeded our stock expectations for launch. While we will do everything we can to get your Wii to you as soon after launch as possible, pre-orders will be fulfilled on a first come first served basis.
HMV.co.uk: games: Nintendo Wii Console: Inc Remote,Nunchuck Controller & Sports Game (2006)