A few months ago these packages couldnt be found anywhere under £20.
Now available for £15.93 delivered from the hut.com.
If you shop through quidco you can save (if my maths is correct) a further 75p.
Next best price appear to be amazon for £17.01
Wii zapper is of course compatible with other games on the wii such as Resident evil:Umbrella chronicles, Medal of honour, House of the dead and Ghost squad.