Servos....HS5925 or JR8231
Sukhoi.
If you do not like the Hitec's, don't use them. But don't go around calling them garbage. If you like JR, well... power to you. I like the Hitec's I have and will continue to use them.
BTW, most of the Q500 and Q40 servo of choice is the HS225s.
Azhar