So its one of the grills that cooks your burgers and other things while, draining the fat to a separate trough at the front. Its not the absolute lowest price as that was a few months ago at around £36. It was a fairly big deal last year when Asda had it down to £40.
And seems to the lowest delivered price at the moment.
Tesco direct and Hughes via Tesco have it at £37.99 if you can click and collect, otherwise they are £40.99+.
I personally recommend the ones with the removable plates as it is trivial to soak them for a few minutes in hot water and then clean easily; even if you forget to do it promptly. They are also dishwasher safe. This means no wear and tear on the coating or accidentally drowning the electrics. I've been using one for a year and its not got a mark on the plates.