Next sale...?

I still use Sonar 8.5 Producer but I think it's time to move to X2 now. I wanted to do so last Sunday but then I found out I just missed the 20% off deal by a day or two... so buying it NOW for the full (upgrade) price again feels a bit bad LOL ;)
I was wondering though how often CW usually has sales or sells X2 with bonus stuff. Will it be another few months from now or could it pay off to wait a week or two just to get something extra or cheaper...? ;)