I went through a similar process you are going through. I originally had a budget of about 5,000. I ended up spending four times my original budget. If I was embarking on that process again with your budget (assuming you stick to it), this is what I would do:
Sorry, but I’ll reiterate another poster’s suggestion- Sell the preamp and get an integrated amp. My suggestions on purchases are on new equipment. If you can get used, even better.
Primaluna Integrated amp - $4,000Focal Aria 936 Floor Standing speakers - $2,800 (on sale at a vendor in California, regularly 3,999). If you don’t like em’ you have 60 days to return them.
My thought is this: This integrated amp and speakers could act as the core of your system that hopefully, you could be happy with for years. That will leave you $1,200 to put together a digital system. You could then grow your system from this point. Disclaimer: I bought the Primaluna and the Focals about 8 months ago and am so very very pleased with those two items. I listen to vinyl 90% of the time for my digital system can’t hold a candle to my turntable setup. The difference for me is night and day! In addition, buying albums, taking them home, cleaning them and the anticipation of "what’s it going to sound like" and the associated anticipation, makes me happy! Sometimes I get goosebumps when listening to a moving piece of music on a kick-a-- pressing! Cheers and good luck with your decisions.