Fitness Toys Help Where's Wii Fitness?!?!?

Help where's Wii Fitness?!?!? - fitness toys

Please help me find what I saw:

-Argos
-Toys R Us
Comet
PC World
"Currys
Almost always sold out everywhere?
I've even tried to ww.wiifitfrenzy.co.uk this site
Please help me find the UK