Quote Originally Posted by Eventorizon View Post
Could you modify a PCB mill for your needs? We had one at uni that had been extended to accommodate A4 sized sheets for board prototyping. I believe it started as 100x150mm.

Edit: Looked a little like this - http://www.ebay.co.uk/itm/3Axis-DIY-...gAAOSw9eVXUA78
Certainly an option, my worry is though that after all the conversion I'd be left with a lacklustre machine for not much less than doing an electronics swap on one of the china mills. It's going to be pretty heavily used so I'm going down the buy right buy once line.