I rode TC 5 times last Wednesday. Out of those 5 times I only had one ride where it duelled both laps. 2 rides didn't duel at all on both laps, and the other 2 rides only duelled on one lap, so this gives an indication on what the duel rate is like. This was 3 train operation all day.
I also experienced two breakdowns while waiting in line. The first breakdown seemed to be a pretty quick reset and took about 30mins, however the breakdown towards the end of the day was much longer and I eventually left the line after waiting more than an hour with little progress. I watched the purple train get evac'd on the station block brake and also noticed that a cleanup had to take place on one of the seats... While they were trying to reset the ride I also witnessed an empty train not quite make it to the mini-launch section after the curve out of the station - two maintenance workers had to physically push the empty train from the rear so that it made it to the mini-launch. After this they hosed down the curve out of the station, I'm assuming to decrease friction so it wouldn't get stuck again.
Also, for the tall people - I'm 6'4" and my shins are still a bit sore from the shin restraints. They're not as bad as Premier shin restraints, but after a few laps you'll notice some discomfort if you have long legs.
Anyway, I'll be there again on Tues, hopefully it'll be running a lot smoother...