Use the right tool for the job. If you want rough engraving, then do it by hand. Otherwise use a Versalaser to get different levels of detail nearly impossible by hand. I do not see this as a machine that will replace people, but simply a tool to add detail on projects that some yearn for.
MacBook 2GHz Intel Core 2 Duo w/ 2GB DDR2 RAM & 120GB SATA 5400RPM HDD
Canon Rebel XTI
Google Cr-48 Beta Laptop