There’s a new script in kontrolbase that speeds up the login process by up to 50%. I highly recommend every user to upgrade to the latest version of the svn release. Otherwise you can grab the file here: http://code.google.com/p/kontrollbase/source/browse/trunk/bin/kontroll-query_cache_preload.pl

Read more about the script and how it works here: http://kontrollsoft.com/forum/kontrollbase-issues-and-solutions/query-cache-preload-script-speeds-up-login-by-50#p22