We've added a new section devoted to SQL Server 2008 in our SQL Server Magazine forums, which can be accessed here:
SQL Server Magazine Forums
Here's a list of the new SQL Server 2008 forum categories that have been added:
SQL Server 2008 comes in many editions, from Enterprise to Web to the lowly Compact Edition. Learn what each edition supports, what limitations, if any, exist on database size, and the cost of the edition.