Although they are no Ducati, they were rudely fast in their day, and have quite rightly aquired the glow of legendary status.
A well ridden example will still scare the crap out of a modern ricer on the right road, and sound superb while doing so.
Later examples got more powerful, faster, heavier, taller in the seat and scarier to ride at speed, the very best example of this is the Mk4, best avoided unless you LIKE surges of adrenalin for all the wrong reasons
"Oh, did you see what it was?"
"Well it sounded like a Harley on acid!, I thought it was a Ducati, but when I did catch up it was a Moto Guzzi Le Mans!"