I'm sorry, but any list of "Top Ten Least Impressive 'Supergroups'" that doesn't include The Firm (Bad Company's Paul Rodgers, Zeppelin's Jimmy Page et al.; biggest hit: "Radioactive") and, especially, Asia (King Crimson's John Wetton, Yes's Steve Howe, ELP's Carl Palmer, etc; biggest hit: "Heat of the Moment") really isn't trying very hard.
Walk with me down memory lane, if you dare: