Quote Originally Posted by Svpernova09 View Post
I'm just not very impressed with DK tanks these days, they seem to take huge, unnecessary spike damage even in heroics.
^This

I know you have stated you have troubles with Heroics. If you try with a DK tank, you will spend all your focus on ensuring he's being healed, and that won't help you out.

(Source: My main since Day 1 of Wrath has been a DK. Healers hated me in heroics before I was well geared...and even now some ToC encounters, etc are spikey).