e Lenovo Thinkpad Tablet 2 is a nice Windows tablet. It's relatively light at 575 grams, and it has practical features such as a stylus and a full-size USB 2.0 port. We tested a more deluxe version with Windows 8 Pro, 3G and 64 GB of storage, that costs around 885 euros.
Any major computer upgrade generally requires a full software reinstall too. No so if you heed the advice in the guide to Upgrading a Motherboard without Reinstalling. PCSTATS Tips