Love him or hate him, GC took the time to get pretty involved in a discussion about DK’s success and failures throughout WotLK. The discussion was in the tanking forums and titled “3.3.3 Worked (sorta) for DKs” and can be found over at the official forums here.
Among the topics discussed was the population fluctuation of DK’s. First, they were “OP” according to GC, then they were fixed to be more inline with the other classes. This caused a lot of DK’s early on in the expansion, and tapering off later …

Not the greatest illustration, I’m not the best at Gimp/Photoshop but this should give a rough idea.
Instead of the 200% example that GC was giving, it’s better to think of the strikes as taking 50% of our rune pool. It’s going to be hard to differentiate between Runic Power used for Frost Strike/Death Coil and the “Rune Power” or “Rune Energy” in the new rune system. Maybe a name will catch on somewhere…
Basically, we will have 3 runes now in theory. We will still actually have 6 runes, but to …

Blizz released their DK preview for Cataclysm yesterday and there are some pretty interesting changes. It’s still far to early to make any conclusions about the class and reactions have been both good and bad. We already know they are making blood the “tank” tree, but they gave some properties of the frost and unholy trees that will be pretty interesting.
Frost
Melee damage
Melee Haste
Runic Power Generation
Unholy
Melee damage
Melee and spell critical damage
Disease Damage

Blizz has announced that the three trees will no longer be both dps and tank. Instead, the Blood tree is becoming the tank tree while Frost and Unholy are the dps trees. They will be releasing more details tomorrow so stay tuned.
Read more.

According to Blizzard, they will begin releasing information about the classes this week.
“Beginning Wednesday, April 7 we will begin releasing class previews containing an overview of some of the changes currently being planned for each of the 10 World of Warcraft classes. The type of information you can expect from these posts are a list of the new spells from 80-85, the new passive mastery bonuses for all talent trees, a brief outline of some of the talent changes we’re currently planning, and in some …