x2 Both are pretty much set up similarly. I went with the Painless because it came with my rig.
Tons of threads on this too.
I took my sweet time by crimping, soldering, and heat shrinking every connection. I had one screw up by not using the Toyota wiring diagram. I just fixed that tonight now the cruiser shuts off when I turn the key off.
I used the Painless kit. It was not painless. But overall not that difficult. Just make sure you lay the kit out and pre-route the wiring. Lots of planning and a good Toyota wiring schematic are a must.