Sound wise, it's not really much different than the other two (I've owned both and am currently reviewing the Pre version)
The best part of the DAC -1 Pre is that it now has an analog input, so the person that builds a system around it that isn't all digital could use a phono preamp with it. It's something I've been hammering on them for for some time (as I'm sure plenty of their customers have too).
Funny you should mention the remote thing, that was my end comment in the review that will be out soon! But you can only have so much for 1500 bucks!
Either way, it's a great product and very much worth the money.