OK, So we did some firmware upgrades on the Enders. Had to buy an Arduino and some cables to blank the chip and load it with Marlin. Seems to be printing a lot better. and safer.
Depending on the print
212 initial temperature
200 printing temperature
0.1 resolution occasionally with a 1.6mm or 2mm wall thickness, and printing with a brim, raft or skirt depending on the print.