Update: It all depends on what your preference is. The Deckard is definitely warmer, the Jotunheim more linear and analytical. If you are just looking for a good amp with features, I would highly suggest the Jotunheim over the Deckard. Now, this is with the VE Zen 2.0 @ 320Ω. I do not know if the LCD-2F would sound different with the amps and my preference would change, as I have not used the LCD-2F on the Jot. I actually sold it while my Jot was in the mail, so... take all of this with a grain of salt.
The one thing I can say, the features and price point is all in favor of the Jot... heavily tilted so.