I received my TDQ from Geno and I thought it was great.
I fully support the ingenuity and the wherewithal to make this product for others in our small community. Additionally I respect the price of the figure given that this is not a full mass production style fabrication (as it is with large scale manufacturers). It will take some practice getting used to but I think it adds a great element to the hobby. Heck, I even got my wife to try some passes with it and she said that she clearly preferred the TDQ to the TTQB. For beginners, it’s simply easier to handle since the device takes less force to "load" the arm and also has less recoil (which inherently can lead to severe inconsistency for a newbie). And the leg doesn’t break!
For those of your worried about the TDQ making the TTQb "obsolete" I don't think you have sweat it. The two designs can work well together. It was my initial impression that the bullet pass from my old school white TTQBs had more velocity whereas the TDQ spring mechanism was relatively lighter and supported more the touch throws. Therefore my old school TTQB I will consider Elway/Marino style arm strength and my TDQ will be Joe Montana style accuracy and touch.
Thanks Geno!