There I was thinking that I was excessive. Looks like I'm just fine.
1 x work laptop
1 x personal / study laptop
1 x desktop
Apart from those wife and myself have a PDA each for when on the move, and there's a Wii.
Other than that a couple of routers, one for each Internet connection, one of which is a PC of sorts.
These are between 2 adults and a child. Unsure what else apart from a perhaps a file server, which is in progress, we'd need, more than 1 machine per person strikes me as being unnecessary but each to their own I guess