NAD M33 or NAIM UNITI NOVA?



Good morning everyone
 I'm in the market looking for these two amps to drive my Bowers 805D3.
I would like to hear opinions of some users
Cheers
guspin
I am using the Naim Uniti Star with Roon as we speak, I made an offer on a used M33 and fortunately found out that it is another Hegel H390 issue where the Manufacturer stated it was Roon Ready but Roon changed their terms last year and now several devices marketed as working with Roon do not. I have had 2 H390’s and each time tired of waiting for the BS Roon "Readiness" that they were advertised to have. So be aware if you need the Awesomeness that is Roon you will not have it for an Undetermined amount of time from the NAD unit sadly. Yes I am bitter.
If you can't find a local dealer to try the NAD first, you can order from Crutchfield and get a 60 day return policy. I did that and ended up returning it - not because it wasn't good, I just liked my current set-up a bit better. I did have to wait 3-4 weeks to get it, very high demand right now. The full version of Dirac is very worthwhile and improved the sound in my room, but you need to spend some time with it.
Hello friends I wanted to ask you a question, I currently have a Rotel 1592 I know it is a different animal. Do you consider that the Nad M33 is an upgrade?