Came across this on extremetech.com.
Sounds like etching just got a lot easier...
http://www.extremetech.com/article2/0,1558,1938849,00.asp?kc=ETRSS02129TX1K0000532The $69.99 Stylus is designed to be held like a pencil, according to the company. The stylus ships with 25 bits and other accessories, which may be interchanged with other Dremel products, providing the collet is the correct size...
...the Stylus houses a 7.2-volt lithium-ion rechargeable battery...
In addition to the standard power switch, the Dremel Stylus also includes a rotary dial to control the speed of the bit,which can spin from 5,000 to 25,000 RPM.
Sounds like etching just got a lot easier...