The obvious trend for laptops is slimming them down to size-zero models, and considering it’s London Fashion Week here this week, it makes sense to show you Sony’s latest Vaio, the TZ21. It’s got in-built HSDPA connectivity, and is ultra-portable at just 1.24kg. Prices start at around £1,799, and if you pre-order one now, you’re likely to get it in early October.

Sony TZ Series…