All of these laptops are competitive with the U36 in performance and features (though you can?t always grab an SSD), but they do lose out in one area - battery life. If you don?t need a laptop that can last eight hours on a charge, you may be better off with the competition. But if you do need that kind of endurance, the U36 is so far superior that it becomes the clear winner with low voltage processors and NVIDIA Optimus. The enhanced gaming performance on this model may also be of some appeal, though it`s still far from sufficient for serious gaming."
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