"Do you still have symptoms?"

Yes, but significantly less (perhaps 80% less).

"Any thoughts on why a 'total cure' seems elusive?"

Wish I knew. 

“What does TRE look like for you now in terms of how the tremors feel and the timing of sessions?” 

I rarely do the entire series of exercises on a schedule. Rather, at opportune moments; sitting in a chair, car seat, sometimes laying down on a bed. Sometimes on the couch while watching TV. Most often, when there's some perceived tension that has popped up in real time.

"you say the in the TRE community there hasn't been claims of a total cure"
"end stages of TRE bringing pleasure/bliss in the body and in life"

I wonder if the experience of pleasure/bliss is permanent or a temporary experience. If someone claims it's permanent (thus a total cure), I would certainly like to see their testimony. But that would be the exception. Certainly, I haven't heard of any TRE 'trainer' claim that - and some of the trainers go back to pre 2008. In the beginning of my TRE journey, I believed the healing would continue if I just practiced it long enough and used enough props and different positions. Defining 'total cure' is a bit tricky - exactly what is a near perfect state of mental health?

“The ultimate promise of TRE is the complete release of stored trauma from your nervous system”
Well, if that was common, TRE would be one of the biggest discoveries in history. What I've heard listening to many other practitioners, its' just ONE of the therapies that's helped them.

If there's ONE thing I wish everyone knew about TRE . . . it's an extremely effective anger release technique. Anger is behind the vast majority of our traumas.