This info used to be here..somewhere, but I guess during the great move it got deleted.
There is a company that makes upgrades for older iMacs that don't have fire wire, to having fire wire,,, also had an upgraded prossesor... Anyone remember the name of the company, and or their web site address?

Have a look at http://www.xlr8yourmac.com/
was the brand sonnet, powerlogix or newertech?

Sonnet has the "harmoni G3"

http://www.sonnettech.com/product/harmoni_g3.html

Thanks a ton formatj. Sonnet was the folks I was looking for.