Audio note Dac question

Hi

I don't hear much talk on the Gon about the Audio Note Dac kits. I know they may be a bit dated but they still look interesting to me. I am in the market for a new dac and really like building kits when ever I can. I was considering either the 2.1 or the 3.1 kit. If anyone can shed some light on them it would be a great help.

I am also considering the Benchmark Dac 1 usb. I had one when they first came out with the NE5555 opamps and ended up selling it. I wasn't that impressed with it at the time, then again the system I have now is much better than what I had. I have also heard they sound better with the LM4562 opamps.

Thanks for the help
Frank