The Samsung ATIV Book 8 is an impressive piece of work. Thanks to the quad-core Intel Core i7 processor and the AMD Radeon HD 8870M with 2 GB of video memory the performance is excellent. The Full HD PLS screen is also outstanding, even if it's a bit glossy due to the touch layer.
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