Any reason you're not considering the Gaerne SG-10's? If you're looking at the pros, you might notice that the Gaerne is pretty popular too.
My husband and I have had a few pairs of Tech 8's, and we think the Gaerne SG-10 is light years better than the Tech 8 is almost every way:
-The SG-10 sole is awesome and way outlasts the Tech 8.
-The SG-10 has an excellent ankle support system, the Tech 8 doesn't have much of anything for ankle support, and a broken in pair basically folds over at the ankle.
-The SG-10 buckles ROCK! I could never get out my my Tech 8's after a long moto.
-And comfort - the SG-10's are super comfy!
I don't have experience with the Tech 10... but with top Tech 10 riders Jeff Alessi and Hepler both out with broken foot bones, ya gotta wonder....