Getting a started cnc router project

Managed to buy a cnc router on the bigger side on the cheap.will start building the machine when i get acess to a working area. it´s a bit to big for my appartment. Need to get a servo driver for the gantry and some motors drivers for the other axis.Going to steal the mesa card and the 2.2kw chinese spindle from a uncompleted project 

Looks like a nice sturdy machine, but also looks like it will need some reinforcement on the Z axis, as is it will flex a lot.