Nov 15th 2010 9:09PM There's plenty of viable options to be found on the Open Beta Feedback: Inherent Fitness thread, from ways to slot Global IO's in to give your build a boost, to low-requirement power pool powers that can come in handy in a pinch.
Even Hasten with one Recharge SO or IO in can be useful in an emergency, or to break out the firepower for EB's/AV's.
Apr 9th 2010 4:57AM As has been commented elsewhere, it was a pre-WotLK mock up of a Gnome DK done by the creator of WoW webcomic 'Beyond the Tree'.
Apr 9th 2010 4:55AM The image is indeed from the creator of Beyond the Tree, done in the months before we knew what the Death Knight would actually look like. The armour is pieced together from a selection of gear to look suitably Death-Knightish.