Ok, so as some of you may have seen in the "Engraving" area on the forum, I have found a nice "cheap" way to scratch engrave using a micro tapping guide. Just in case you hadn't, that thread can be seen here:
http://cnczone.com/forums/showthread...ewpost&t=57264
This works very well so far and since the tip is hardened, it's holding up very nicely so I thought I'd pass it along to my fellow mini-millers