TACT digital corrections preamps?

I have one, but it is currently not in the system. I have been unable to get great results with it, but I admit that I may not have put enough effort in. I'm also not convinced that it is entirely transparent in the system, even in Bypass mode, which in my mind makes it a tough choice for a purist. However, I hasten to add that many people would disagree with me vehemently. Certainly I will give it anough try or two at some point.

I've been using an RCS 2.0 for over a year, and it has
made the greatest improvement in the sound of my system
of any component. I'm using mostly Mark Levinson equipment
and Magnepan 1.6QR speakers. The TacT provides better
imaging and soundstaging, greater dynamics, better
bass impact and definition and a more liquid presentation.

Just took delivery earlier this week. It was pretty easy to setup and get running. My immediate reaction is that it works as advertised, however, it appears that it will take a fair amount of work to optimize it in my system. Tact is definitely not a plug in and play product.