i find both my threaded stems to be quite stiff. the weight i agree with. I like the adjustability from threaded stems in that you can raise or lower them. never had one get stuck on me, and this includes both old as hell ones and new.

There are less angle choices because of the ability to raise and lower them, and i dont really like front opening stems anyway, nitto makes 25.4 and i believe other companies make 26.2. Threaded and threadless ones have comprable prices on businesscycles.