If you interested in this sort of stuff here is a cool conference being held here in Ottawa. If you decide to go I'll see you there. Second IEEE Symposium on Computational Intelligence for Security and Defense Applications Detecting and Adapting to Emerging Threats Ottawa, Canada, 8-10 July 2009 http://ottawa.ieee.ca/ci/cisda2009/ -- ==== bruce Member: IEEE, SPIE, AICR www.faintfuzzies.ca