Some months ago, I submitted an item on Arduino.
Recently, Brian N1BQ, gave a presentation at an NJQRP meeting
and provided a kit.
Steve, K9ZW has also gotten interested and posted several
items on his "With Varying Frequency" blog.
Arduino is a very capable platform. Cheaper than a Basic Stamp.
More powerful than a PicAxe. The Arduino folks provide a development
environment that runs on Windows, Mac and Linux. It seems that
it will only be a matter of time until there are ham related applications.
Overviews & Amazing Collections:
MAKE: Blog: Arduino Archives
The World Famous Index of Arduino & Freeduino Knowledge
Modern Device Company