I thought you were going to quote the new latency thread. Seems to me the quick solution is just switch to AMP. I never even think about latency anymore and can stand listening to my talkback when I have my ears in instead of suddenly stuttering like I would do with SAC.
I was a good boy and sat on my hands on Jeff Klein's thread about DCA mixing... where I could have easily said use AMP or get Bob L to put real DCA groups in SAC and you'll have a much easier go of it than dealing with silly work arounds in SAC.