At home I have a 6 system network comprised of...
My Main PC ... 1ghz PC, Win 2k, Linux, use it for programming, browsing, some games.
Webserver for my site: 400mhz system
The best PC to evAr be created: Pegasos 600mhz system (programming, browsing, ftp'ing, email, movies, games etc)
My little sons pc: 350mhz pc, games (he's just 5)
Brothers PC: 1.6ghz, games, browsing
Dad's PC:400mhz, browsing, email etc etc.