Nice find!
That's a great machine. Polish her up and enjoy her. Tools and spare parts for those machines are fairly easy to come by. I acquired my first Kirby that way about twelve or so years ago. It was a Gsix 2001 Limited Edition, sitting out by a dumpster in the apartment complex where I lived at the time. It was a drizzly night and my headlights caught the word "Kirby" on the handle, so I had to stop and grab it. All it needed was a bag, a belt, and to clean out all the carpet fresh powder built up on the underside of the floor nozzle. I've still got that machine today and it runs like a beast. Interestingly, about five or six months later, I found a complete basic set of Gsix tools at a nearby thrift shop for about $4. I like to think I reunited them.