4L60E w/P1870 - TransGo, Superior, or Sonnax?

This is a new post to try and finalize a solution to an old problem. I am getting a p1870 code on my 99 Sub K1500 (4L60E). I know this is common and there are a couple of kits to fix it, but what does everyone recommend. Which one is better?

I personally would use the transgo kit. The sonnax one is good but I believe it requires using a tool to bore out the PWM TCC bore in the VB. Transgo one does not require that. Also if the TCC is to far gone this will not help.