I prefer their 60s stuff, when they were still tagging along with the flower power bandwagon. Obviously they were lightweight compared to say, early Pink Floyd, but they wrote some decent psych-pop tunes. Mind you, in some ways Spinal Tap have made their entire career redundant.
It was a funny moment when John Peel played "Again and Again" to a throng of pilled up techno fans during his DJ set at Tribal Gathering though.