Nice, kinda like my 74HC595 based binary counter.
(
http://blog.suspended-chord.info/?c=7) I did that up really
quickly to demonstrate basic SPI usage, and to introduce new users
to my favorite IC.
I agree with Gerry, post on the 43oh! forums! They're awesome.
He's also set up an IRC channel for us on freenode. Much good talk
to be had.