A while back I had read a thread here about using KR and TR in a chain.
This thread included ratios from using these spells with no aa up to max healing aa. Can anyone assist me in finding this thread ?.

I think this may be what you are looking for:
http://thedruidsgrove.org/forums/showthread.php?t=5616
or
http://pub149.ezboard.com/fthedruidsgrovegeneral.showMessage?topicID=31410.t opic

Most excellent , Thankyou very much quinalla. The second link is the one I was looking for but the first one is great and added to favorites also, thankyou again.