My "pitbull settings" are just the default X-Perl out of the box with some spacing added between party members.

http://wow.curse.com/downloads/wow-a...ils/xperl.aspx

Oh, and I have visual heal installed as well; it integrates with X-Perl, so I can see what toons health is going to go up to when a heal is coming in.

http://wow.curse.com/downloads/wow-a...isualheal.aspx

And here is my ISBoxer Click Buttons / HealBot configuration if you are interested...

http://www.dual-boxing.com/showpost....9&postcount=19

Hope that helps.