Re: Catwoman revisited
Nice concept, Mark. Check out the TV show Dark Angel. The heroine had a mix of human and feline DNA. Her powers in the show could act as a good model; e.g. extra Dex, speed, strenth, stun, end and I seem to recall better night vision.
One injection should do the job if it contained a retrovirus see http://en.wikipedia.org/wiki/Retrovirus