I just updated HealSync, the new version is in the ace svn repo. I'll let the folks on CG beta-test it and once the major bugs are fixed (not that I expect any) I'll upload it here to WoWI.
If you can't wait, get it from svn, you'll need these two addons:
http://svn.wowace.com/root/trunk/HealSync
http://svn.wowace.com/root/trunk/IFrameManager