Yeh, Castle or Hobbywing are the best value for money without compromising quality.
Cheaper ones of note are the YEP from HK
More expensive, Scorpion Commander, YGE, and the Rolls Royce of ESCs, Kontronic.
I have the Castle in my Goblin, and the Hobbywing V3 in my Warp 360. Both are great.