This plant is not Echeveria "Blue Waves" aka "Blue Wave" which has ruffled leaves, like this:



"Blue Waves" is a Reinelt hybrid:

http://www.crassulaceae.ch/de/...

I'm not sure what the plant in the picture is but I don't see it on the MCG web page any more. It looks like another Echeveria. I would like to propose moving the image to the database listing for the genus unless anyone has any better ideas.