My dad worked for DEC when I was a little kid, so DECnet is hereby deemed the coolest protocol.
AppleTalk is second.
IPX is in LAST PLACE, Banyan VINES is second-to-last.
So in the middle we have XNS and Apollo. I don't know much about either of them but I've heard good things.
Besides TCP/IP, DECnet, AppleTalk, Apollo, VINES, and IPX are the only routable protocols I've heard of. Are there others? Are they cool?