Not sure i feel comfortable building my own PSU haha, i will try to find a higher quality alternative.
One similar to this http://www.zappautomation.co.uk/elec...er-supply.html

Re the spindle make sure it is the correct vfd check the picture and make also 4 bearings

http://www.ebay.co.uk/itm/WATER-COOL...kAAOSw0e9UtOrX

Re the controller will it home two screws with independent homing? Will it cope with full Gcode G2 G3 , canned cycles etc. What size gcode file can it handle? (I have no experience with these but they have been debated on the forum)