Try a different turntable?

Suspended tables vs non suspended in my humble opinion neither is a better of the other design. Both designs are dependent on the choice of arm you mate with it and the cartridge you mate to that arm. Both set up properly and with an arm not dependant of cost but weight and design for a given table will ultimately yeild great results. The phono stage is oft not given the attention it deserves especially if one is using a quality high end low output MC cartridge making the phono stage that much more critical. Isolation is important for either suspended or non suspended tables.
Cheers

I have tried out a several of VPIs and several of the Sotas and both are great tables. I tend to like the SME arms over the VPI arms and lean towards the Sota turntables for that reason. The SMEs are easier to set up and in my opinion sound better too. The best VPI I heard had a highly modified Rega RB 300/300 tonearm. It was scary good and blew the doors off the same table with a VPI arm. It was years ago and I do not remember the which VPI table as they have had so many different offerings over the years. I getting ready to audition a Thorens TD 2030 with a SME IV.Vi tonearm. I currently own a completely re-built Sota Star Nova Series 3 with a SME V. I did try the the SME IV.Vi on my Sota Star Nova and it sound much better than the SME V. I think the IV.Vi has better tonearm wire and does not have the static spring adjustment of the V for VTF the IV.Vi only allows VTF adjustment via adjusting the counter weight as opposed the spring and counter weight set up of the V. I am now starting to be a big fan of simple is best. Simple in most cases does sound best. The only real problem with the spring suspended Sotas is that you will have to replace the springs and when you do it is a real pain! Another good table that I set up for a client was an Origin Live and it is compact in size and it does sound real good. Hard to beat for the money.

I would go with a Rega P3-24 with ttpsu or a Rega P5 with
The optional psu. It is hard to beat the British at what they do best. Smaller components for their generaly smaller living spaces. In light of your impending move to a
smaller home it is something to consider.
YMMV . Just my 2 cents worth.

Thanks for all the replies. I may very well end up keeping the VPI, but -- as Mickeyf said -- I'm in a position right now to experiment and would like to do. Thanks to Thesoundhouse for comments about the SME arm; I have heard of them, of course, but never had one, so that's definitely worth a look. I also recently learned about Origin Live; do you happen to remember which model you set up? I looked at their web site and they have quite a range.

Being you are in a position to experiment, I would purchase a used LP12/Ittok IF, and only if, you have a local person who can set it up for you. I'm not suggesting it will sound better than what you have, but it will sound different and not cost much money, especially if it has the internal Valhalla power supply. Additionally, it is relatively compact and fits perfectly on a $150 Target wall shelf, which is an excellent way to isolate it from vibration. Best of luck.