Great Pre/Pro with USB DAC?


So the question I have is... how much would I have to spend to get ONE piece that will do it all? And by all I mean, process 2-channel lossless computer audio files via a killer USB DAC, play these files through a transparent smooth 2-channel preamp section, plus decode all that 5.1 stuff for movies and such when I need that?

I currently have a Peachtree Nova (which I use solely as my Preamp/DAC), plus an Integra DHC 9.9 pre/pro (for TV and movies only), an ARC 100.2 amp, and Dynudio Contour S3.4 speakers. Obviously I want the performance of an all-in-one to exceed the level I am getting now with the Nova + Integra combo.

What are your suggestions and corresponding price points? My budget for this is currently around $2500 used. SHould I just keep what I have until I can spend more? Or are there some pieces out there I can pick up within my budget that will knock me out? Thanks!
fredorama
Thanks Kal. So now that I understand that, I guess then my question now has to do with the differences in audio quality between a) having my lossless files converted by a separate USB DAC and played through a preamp such as my current Nova application and b) using the M2Tech type of piece to convert the files to S/PDIF and then having a piece like the Anthem do the DAC and preamp functions.

Your thoughts? Or anyone else care to weigh in? Your comments have been very helpful thus far.
FWIW, my first solution to this dilemma was to purchase a piece made by M-Audio called the Transit USB ($75) which basically did the same thing as either of these two pieces - it converted USB to S/PDIF and I connected the S/PDIF cable to my Integra so that the DAC could happen there. But I wanted better preamp and DAC performance for my 2-channel listening, which is why I went the NOVA route.

I don't know how either of these last two products stacks up the to the Transit USB I already own. But if they are extremely similar in terms of jitter reduction and so forth, then maybe I would just use that piece instead of one of these two. If the result is going to be be noticeably better using a piece like the Anthem to do the DAC and Preamp functions than what I am currently getting, then it might make sense to sell my Nova and Integra and pick up a used Statement D2.
Fredorama...I have not heard your Peachtree Nova DAC/Pre nor your Integra pre/pro, nor the Anthem all-in-one Pre/pro/DAC, so I cannot advise you on what will sound better. I have one question though: do you listen to music more than watch movies? If yes, I would stay with your setup because my sense is you will get some degradation in sound whenever you run your music signal through a pre/pro given that it's a multi-purpose unit with video and audio circuitry combined. So in your current application, listening through the Peachtree's simpler signal path is likely to result in better sonics than running it through an all-in-one like the Anthem. Again this is a generic point having never heard the specific pieces in question. If your primarily concerned with video/home theater application than a one-box solution like the Anthem is probably a good way to go. Good luck.
I have never used any of these gadgets so I cannot make any specific recommendations. Just be aware that devices that do the same job may not always do them equally well. So, your experience with the M-Audio Transit may not be predictive of what the Audiophilea2 will do.

Kal