It lives!
First job were the ER collet holders to fit the tool holders -
ER20 collet holder by
mc_mtb, on Flickr
Ran it's first batch of paying parts earlier, and things went well. Still need to tweak the parts files to make use of the additional spindle power and speed, however being able to load the bar and walk away until it stops is good. Just need an auto-chuck and bar feeder now...