The Sharp PN-K321H is a phenomenal monitor, there's no question about that. The test results don't do a good job of showing how impressive this monitor really is. You need to stand in front of it. The details you can see in high-resolution photos is astounding, and the huge amount of extra workspace is great for complex software with lots of toolbars and windows. It's a unique product, even if ASUS will soon release its own 4K monitor and others are sure to follow. Sharp is currently the only manufacturer of IGZO 4K panels, so you will likely be seeing more of these.
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