A strong point of the NUC is the ability to connect three monitors, which is especially handy for professional applications. The inclusion of Intel vPro makes it an interesting device for the business segment. For consumers this feature doesn't have any applications, so for the consumer segment the Gigabyte Brix is probably a more interesting product. An advantage of the NUC is that a number of third parties will develop products specifically for the NUC.
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