I also have the same mill and have owned it for 3 years and it is mainly used for drilling as I have a cnc mill that put the unit into semi retirement. You have inspired me to possible cnc my unit also, as soon as I finish cnc-ing a 9X20 Harbor freight lathe. If I may ask some specifics. You are running Mach2 or mach 3 with this mill. That the same controll software my cnc uses.
What stepper drivers are you using, and what size are the stepper motors and did you choose to use the existing ball screws, probely that way I'll go initially (or did you use ball screws) and how is that going?
I like the looks of your control box that is sitting on the shelf, any way you could shoot a close up and let me know where you picked it up. At this point, I have been using an AT desk styled pc case, and it takes up too much room!! I need to repackage my electronic is something like yours.
I am also courious as to how to do the z-axis. Really like your lube system. Good Job!!
Looks like you hit a home run.
Take care and keep up the good work,