With a higher-resolution display, thin chassis, and up-to-date components, the Apple MacBook Pro 15-inch with Retina Display is the new king of high-end desktop replacement laptops. It is the laptop you want if you care about performance, thinness, and the screen."
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