Moonie was technically not a very good drummer. Much less Jimmy Page was a bit sloppy as well. But that's not what counts. I love Moonies drumming, but I've played with enough drummers that have the expertise and told me so.
ROCK:
Stewart Copeland
Moonie
Bonzo
Neil Peart (i'm shocked there are already over a dozen posts on this, and no Neil)- can
Steve Gorman
Richard Starkey
Jeff Porcaro
Bill Bruford
Phil Selway
Steve Smith
Zac Starkey - i've seen him 3 times now, and am always impressed
Chad Wackerman - great name for a drummer, btw
JAZZ:
Krupa
Rich
Dave Weckl
Billy Cobham
Jack DeJohnette
Steve Gadd - could toss him in rock, too
Roy Haynes
Big Sid Catlett
Art Blakely