No way! I was going to cancel until someone told me about the Valor I could gain just be showing up on Illum.
After today, it should be really hard to make battlemaster.
I too have cancelled. I'm so glad they put the new content out before the 20th so I wasn't suckered into paying another month.
Godspeed in getting this game together Bioware, I'm sure the subscription numbers are plummeting.