eWeek has posted a review on Windows Longhorn

Back when Windows XP was still known by the code name Whistler, the most exciting thing about Microsoft Corp.'s client OS-in-progress was that it wasn't Windows 9x.
But now that Windows users can take for granted such basics as real multiuser support and relative freedom from blue screens of death, it will take a lot more than making Windows a less-hated part of one's workday to spur enthusiasm for Longhorn, the code name for Microsoft's next client OS release.