Don't get me started, Brilliance and Dpaint are both awesome.  Ultimately the true winner is the next one to release an update and my money is on Brilliance III (Once I source the owners down) 
 
I was one of the authors of the manual for Brilliance.  Sorry to say I doubt you’ll get an update.  I don’t think the programmers are going to rejoin any time soon and leave their current employers.  Sorry!