If you are interested to cast your vote & comment on getting Service Pack release for 2 important versions of SQL Server visit: SQL2005-sp4 & SQL2008-SP2 pages.
From the snippet of Tibor Karaszi , SQL Server MVP I have raised a feedback form on Connect.Microsoft website to get newer version (SQL Server 2005) about Index Defragmentation Best practices information. Vote your interest to get newer documentation...
