Daniel Whitcomb of WoW.com has posted a basics guide for Blood spec Death Knights with an emphasis on DPS. His Blood 101 piece covers the pros and cons of the spec, what stats to look for in gear, talent builds and leveling, damage rotations, glyphs, enchants and gems.
The basics of the Blood DPS DK spec
February 15, 2010 By
Gem guide for Death Knight tanking
January 19, 2010 By
The pwnwear DK blog has a clear and concise gemming guide for tanking Death Knights. He looks at the debate between stacking for avoidance vs stamina as well.