Sneaky old Dell has done it again, although this time it was really Tesco that let the cat out of the bag with the launch of the expected Dell Mini 10 netbook.

The mobile computer, which according to the trusty old Dell pencil sits somewhere between the Minis 9 and 12, was slapped up in a product page on the supermarket mammoth’s website with a price tag attached for £349 or the same in…