Suggestions from all you wise ones

This may be long but I will try to be brief. 63 years old, spent $1200.00 back in 1974 for my system. I'm known around my circle as a music nut. I only have a couple of friends that are into music as I. But, they have no systems, they would be happy listening to some old Zeppelin through a sea shell. I've been following this site for months and feel really upset that I'm missing out on my number one passion, music. I'm running a new NAD C165BEE That replaced my old Adcom GTP-500 II that started having balance problems, a Adcom GFA-555 II amp which I need to feed my Infinity Kappa 8's that are in great shape. Just got back into vinyl so I had my 1974 Thorens TD 160 tuned up. I think it sounds great. Is there any of you that live in the Milwaukee area and be willing to give me a listen to your system? Or any comments from you all.
Thanks Very Much !!!
Some more info, I have a new Grado Red cartridge and had to get a phono amp to run through a different input on the new NAD due to the lack of volume.
Hello Golden - I don't live in the area, so I can't offer a convenient listening session, but I would be happy to lend any advice that I can.  If you fancy a visit to Miami, let me know!

If you feel that you are missing out on your music passion, is that from an audiophile / sound quality perspective?  If so, there are many ways to upgrade, just decide on a budget, and consider your weakest link.  The people on this forum will happily help!  Your amplifier is a good one (a Nelson Pass classic I believe!), and the speakers are high quality, though they are probably getting a little long in the tooth.

Are you using a streaming service such as Tidal?  This can be a very, Very good way to turn up the music passion meter a lot!  By having access to literally millions of albums, you can go wild in seeking out new artists, or albums.  Tidal gives you access to millions of albums at CD quality or higher for a monthly fee.  I have a large CD collection (2,000+ albums), and I also listen to vinyl (a smaller collection than my digital), but despite owning a fair amount of music, I would be lost without Tidal.  I can get on a whim with an artist and listen to virtually anything that they've recorded.  It's pretty outstanding.  

What are you using for music on the digital end in your system?  CD player?  Or do you already have a streaming option in place? 
When is the last time you heard live music?Go see a few concerts of differing types of music.Since our ultimate goal is to reproduce recordings as closely to the original event as possible the only baseline you should use to gauge your system is a concert or 3...
 +1 to above reply regarding Streaming music...Even a free service like basic Pandora will expose you to a ton of music & artists in your favorite genre 's you didn't know existed...
Thanks guys, I don't use a streaming service. I have over 3000 CD's and about 150 quality albums. That keeps me busy.