Tabletop milling machine

Roland MDX-540 SRP desktop milling machineI think every Mechanical Engineer I’ve ever talked to would love to have their own CNC milling machine. Unfortunately, their size and expense keeps them out of most cubicle farms. To the delight of all, the sophistication of compact, table top mills is increasing while their prices drop. One of the latest is the Roland MDX-540 SRP pictured here, starting around $19k with a maximum build size of almost 20x16x6″. Desktop Engineering magazine has an in-depth review of this unit, and comes away very impressed. Now, how do I justify buying one…?