My god, this is the nicest XS400 I've ever seen. Probably worth more than what they are asking. You could eat off of the thing. I hope they are picky about who they sell too, would be a shame to see someone touch even one bolt on it.
http://www.motorcyclesunlimited.co.uk/1979-yamaha-xs400-classic-bike-for-sale/
http://www.motorcyclesunlimited.co.uk/1979-yamaha-xs400-classic-bike-for-sale/
http://www.motorcyclesunlimited.co.uk/1979-yamaha-xs400-classic-bike-for-sale/
http://www.motorcyclesunlimited.co.uk/1979-yamaha-xs400-classic-bike-for-sale/