When you say “cheap”. I think cheap.
Not middle.
The Zenoah clones of better quality, especially Neotec 6200. No idea how to post video here, wish I could. One with about $80 worth of parts and a days work. I don’t think anybody offers a saw to beat it at the weight class. Certainly not for three times the cost.
The $150 base saw new is pretty dang good.
Putting a better filter in it is $10, deleting the base gasket and opening the muffler baffle cost nothing and yields good gains.
That’s my best, cheap, saw.