Message to User:
Please -- don't hit enter after every single sentence. It makes your post very awkward to read.
"Only requires 26 points"
Which means they have to sacrifice 8 Expertise, 10% increased damage and Dancing Rune Weapon (as blood). I'd say that doesn't classify as "only".
Isn't Frost the tanking spec? Isn't Blood the raid dps spec?
So if you have a balanced raid composition, which would include at least 2 of every class, my guess is that there will be a Frost and a Blood DK. Couldn't they provide all buffs?
About the on X hits for Maelstrom Weapon effekt idea:
I frankly don't see the difference to crit. It will be a bit less streaky, but not by much, as Flurry and Windfury tend to modulate the attacks per give timeframe.
Faster weapons won't be more powerful with on X hits mechanic instead of crit, since fast weapons will also accumulate crits faster.
I guess your thinking is scewed with internal cd (like WF, which makes slow weapons better).
I have not heard any reports about an internal Maelstrom CD.