Less than £230 for a touchscreen, convertible Windows 10 PC. Windows PCs are under siege. At the top end of the price spectrum it's Apple who continues to be a thorn in Microsoft's side, but for many consumers the more relevant battle is being fought in the low-end space, where tablets and cheap-and-cheerful Chromebooks threaten to eat into Windows' market share.

It's an area of the market that will be fiercely contested in the months ahead and Microsoft's army of partners won't be lacking in ammunition. Low-cost Windows devices are going to be prominent in most stores this Christmas, and one of more high-profile options is the Asus Transformer Book T100HA, in for review today.