Fun! Definitely a keeper.
Paul Di Filippo actually mentioned something like this in "Distributed Mind", a short story in his Ribofunk collection (IMHO the best one, complete with grey goo, SIs and shoggoths).
Anders Sandberg Towards Ascension! firstname.lastname@example.org http://www.nada.kth.se/~asa/GCS/M/S/O d++ -p+ c++++ !l u+ e++ m++ s+/+ n--- h+/* f+ g+ w++ t+ r+ !y