I am looking to grab one of these two DACs for the sole purpose of their ability as DACs. I have a little dot mkII that I enjoy that I plan on running off one of these DACs, I just need opinions on these two products. Thanks!

I was looking at some Schiit options.  Has I do like the thought of Tube Amps.  I was originally thinking of going with the Schiit Modi for my DAC and the Valhalla for my amp, but read some reviews that people didn't enjoy the Valhalla too much.  

I had not searched for used 880's but I imagine it would make sense as they would already be burnt in.  Do you own a pair?  Thanks for the input ill definitely look into that setup.

I need the help and the opinions of you fellow headphiles that know far more than I.  I have settled on my set of cans so lets get that out of the way.  Im picking up the 600ohm BayerDynamic DT880 Premiums.  Now what should I do for an amp and dac?  I plan on playing most my tunes out of my...