Lidl will have these teppanyaki grills instore from Monday 02/12/13 for £19.99 which seems pretty reasonable.
Product Information :-
Ideal for simultaneously preparing meat, fish, seafood, vegetables, etc.
Aluminium grilling surface with a high-quality non-stick coating by ILAG®
Removable thermostat with variable temperature control
With juice drain, drip tray and heat-resistant handles
Includes 8 wooden spatulas
Grilling surface (cm): 47 x 26
3 year manufacturer's warranty