One of the nice things about moving from VS2005 to VS2008 is that you no longer need to run as admin on a Vista machine. However, you may now find that you can't access the SQL server you use for storing load load test results. If you need a quick fix for this, use the following SQL script:
EXEC sp_addsrvrolemember domain\neilkidd', 'sysadmin'
For more information, see:
http://blogs.msdn.com/sql_protocols/archive/2007/06/18/connecting-to-sql-server-2005-on-vista-and-longhorn.aspx
Neil Kidd