Originally Posted by
NeverStop
I don't agree with "more DS/min is better for Blood DK." Well-timed DS is more important than DS/min, as you want to DS when your effective heal is greatest (high amount of damage taken in last 5 seconds and you don't overheal). Blood Tap gives you control and lets you DS whenever that situation occurs.
As for Frost, RE > BT for 2H because for them U and F runes have the same value, as they both allow you to OB. But for DW, U is significantly worse than F because 2xHB > OB + 45% chance of Rime.