Ubuntu 16.04 LTS review at Ars Technica
Ars Technica covers the big new features in Ubuntu's latest release in a favorable review:
Ubuntu 16.04 is in fact the most exciting release Canonical has put out in recent memory. And after using it for the last few weeks, this may even be the best release Canonical has presented to date.
The article also talks briefly about some Ubuntu flavours, particularly Ubuntu Mate.