Will look into whether it requires reinforcing on the gantry plates see how she goes firstly but thanks for the observation comment taken on board.

For an idea of its size ballscrew's on Y are 1.5 metre's and X 1 metre

As for the electrickery side of things I have bought the following to motivate it all,

Just to mention I have used 1 supplier pretty local to me for all the major parts not sure if Im allowed to mention them in the post or not but wanted to be in a position that if anything went wrong with what I have bought I can stand in front of a human and get it sorted out there and then.

1 x CP0-10V CNC 4 Axis with charge pump
4 x Nema 23 4Nm Stepper Motors
4 x CWD556 Microstepping Drivers
1 x 480Watt PSU 48Volts

I have downloaded trial of Mach 3 and installed it onto a Dell OptiPlex 780 running on a fresh install of 32 Bit Windows XP.

Will be using a UC100 motion controller to do the interpreting between PC and Bob.

Looking at acquiring Vectric Aspire software as my design software.