Jeff posted a link in a comment about his experiments with the AlphaRex. I'm moving it up to a regular post so it doesn't get lost in the shuffle.
Read it here.
It includes some nice coding example as well as a nice reference to another bot - the Toddler (check out page 39 of the PDF to see the final Toddler bot).
If you find similar write-ups, please email me with a link...