I'm no expert, really only listening to the national guys, along with the Canucks crew and the RDS crew.
But heck, ignorance has never stopped me from pitching in in the past
Bob Cole: tremendous sense of occasion and anticipation. Horrible, of course, at actually calling the specifics of the play (i.e., who has the puck, etc.). He really became demonized back when CBC was in its 'All Leafs All the Time' mode - I for one associated him with the Leafs for years and consequently loathed him for it - and probably deserves more respect than he gets.
Ray Ferraro: my favourite commentator by some distance. Much better on radio, where he has more time to let his humour and spiky personality express themselves; but he truly brings a 'player's perspective' and does so honestly. Smart and reliably insightful.
Mike Johnson: very underrated colour man. He's a blander version of Ferraro, and also has lots of useful insights from his 'player' days IMHO.
Paul Romanuk: adequate. If his voice weren't irritating, he'd be more respected than he is.
Chris Cuthbert: another goofy-voiced announcer - what's with guys with weird voices going into play-by-play broadcasting? (Dick Irvin is the all-time champ of weird-voiced announcers). Cuthbert is fine if you can take the reedy tones.
Rich Ball: total pro.
Jim Hughson: best in the biz. Many's the time my brother and I amused ourselves by referencing his patented "Nice saaaave"
I love the excitement of John Shorthouse's call here:
He's decent.Pierre Macguire: I LOVED him when he first rose to national prominence. Couldn't believe the depth of insight he supplied and the bluntness of his assessments. Over the years his act has degenerated into something of a cartoon.
Pierre Houde: always liked his gentlemanly suavity. Great timing too. A legend. 'Et c'est le BUUUUUUUUUUT!!!!' That said, this clip is absolutely hilarious and surely explains why the slightly buffoonish Yvon Pednault found himself marginalized by RDS:
Those are the ones that come to mind for me.