It's a tie between the Intamin OTSRs and Lap Bars. Both have their pros and cons, and it's a nearly impossible decision to which is better.
Yeah, after finally getting to experience the Intamin OTSR last month, I can judge them properly. You're right about the positives and negatives though, because they do both have them.
To me though, I still like the T-bar for Top Thrill Dragster because the over the shoulder restraint really wouldn't serve a purpose on this. The over the shoulder restraint is good for airtime, but Dragster has none, so T-bars are sufficient and they also don't block your views. Definately make you feel more open and vulnerable though, which is a plus.
The Intamin over the shoulder restraint is absoloutely great and appropriate for the type of ride Maverick is. They definately allow for feeling airtime, and aren't as bad as I had anticipated them being. Sure, they don't make you feel as open as the T-bar, but it was a good decision to put them on Maverick, as they're pretty much perfect for the ride and the elements on the ride.
So I'm going to call it a tie, because they're both good for different reasons.
P.S.- Matt, loving the set!