I use it for the alerts, the worst performing, growth, statistics, viewing user processes - it's a very useful tool to have running. Never had to worry about changing the data - view stats is pretty good.
Extracting the worst performing could be easier / better.
[font="Comic Sans MS"]The GrumpyOldDBA[/font]
www.grumpyolddba.co.uk
http://sqlblogcasts.com/blogs/grumpyolddba/