Speaking of IPNetRouter, according to this page http://www.sustworks.com/site/news_promo.html, you can use the original version for free. Of course you'd need a 68k Mac/Powermac as well as MacOS 7.6 and OT (http://www.sustworks.com/site/downloads.html). If I ever want to use it I will be very glad of my Performa 6100 as it has 7.6