I own plenty of Clape, Allemand, and Verset, the first and last going back to 1983, Allemand only to 1994, all bought on release (except the 1983 Verset which came, years later, from the property). I love them all (except 1997 Clape, which I deliberately do not own) and suggest that if M. Miller (whose taste I admire) thinks Clape is boring, he's not sampled from the same wines I have (I must have just about 35 vintages of Clape under my belt -- but there are at least two cuves/vintage).
Thor and Larry Stein may want to jump in -- they've both had Clape from my cellar; I think Steve Edmunds, too. Thor, when I first met him, expressed the opinion that Cornas was on the same level as Crozes-Hermitage, an opinion that I think he has been disabused of.
(JR, however, remains ever recalcitrant about Cornas, although she does now concede to liking Allemand.)