>Does anyone know if adding an FPU to my LC III will increase it's speed
>by much? Right now it's taking over 5 hours to compile ncurses-5.0.
>Also, if any one knows of any good places to find used *cheap* mac stuff
>please let me know. Thanks for all the help...

I've had good luck with MacResQ (http://www.macresq.com) and Small 
Dog (http://www.smalldog.com).  There's also Low End Mac 
(http://www.lowendmac.com) and other sources.