Responses from z32kerber

Recommend an MC cartridge
I love my Hana ML  
Solid State Power Amps
My current combo is a JJ 243 tube preamp with 2 XA60 Pass Labs mono block amps. I love the sound they produce.   
Listening position/speaker position
My room is nearly the same exact size as yours. I am limited regarding speaker and listening position but I’ve played around with these and my speakers are about 3’ from the wall, 7’ apart with the listening position about 7’ from the speakers (an... 
can you help me narrow my speaker cables short list please?
RAMM Audio OCC cables and connectors  
Rigid outlets for Heavy cables
Hubble makes very good products   
Not enough outlets
I also use a Furman power strip/conditioner/surge protector. That should easily solve your problem.   
Which turntable? Pro-Ject or VPI?
I went from a ProJect X2 to a VPI Prime. Really no comparison. The VPI excels in every way.  
Amp — Leave on or turn off
My Pass Labs XA-60.8 mono blocks are class A and leaving them on would bankrupt me :). But they have a standby mode. They warm up fully after about 30 minutes. Like others have stated, it’s amp specific. If you change to another amp, consider one ... 
Amp upgrade, speaker cables or both
Cables do make a difference. So why not maximize your new amp with good cables.  
Ken Fritz article
I watched the YouTube video. So impressive.  
Record Weights/Disc Stabilizers
@badgerdms I’ve found the Waynes Audio ring fairly easy to put on and take off. The jig works pretty well.   
Record Weights/Disc Stabilizers
I have both. I got a Wayne’s Audio periphery ring. It made a difference in sound. But another benefit of a center weight and ring is how they combine to flatten a record. Just make sure the beating on your TT is stout enough to handle the weight.  
Best Options For A Tubed Preamp - $2500 Or Less, Preferably Used To Maximize Value
I have the JJ 243 preamp and love it.  
What to do with a large collection
I too have some CDs I’d like to get rid of but I listen to CDs about as much as I listen to vinyl. I tried the streaming route but did not like it and sold my streamer and DAC. Of the 3 formats, streaming was the worst sounding with vinyl the best... 
Room acoustics basics
I used the book Master Handbook of Acoustics. Loads of great information.