DK relics... Sigils

[Dirkdiggler]

hmm... no ranged slot..

http://www.wowinsider.com/2008/07/27/death-knights-will-use-sigils/

[silverlight]

yeh also dont forget deathkngiht rune enchants ( the ones you have to do at a rune forge nto teh blood blood unholy ect ) take the place of weapn enchants so no mongoose for you

[Guvner]

A blizz blue post stated that in most cases the Rune chants are better than normal enchants. Remains to be seen ofc

[Bokeh]

The runechants look most definetely better than the common weapon enchants, mainly the non-proc ones (like a flat % chance of parry'ing are very strong but still always up as opposed to mongoose.