The answer to that will depend on your comfort level with support a platform without much use group knowledge.
Database platforms are not trivial systems and Microsoft typically releases a very solid product. Many people like to wait until the first service pack, while others are willing to take the plunge and upgrade right away.
SQL 2008 is based largely on SQL 2005 and should be fairly stable (at least based on the current beta versions).
Last Wiki Answer Submitted: April 18, 2008 6:31 pm by Denny Cherry64,520 pts.