Platter upgrade for VPI MkIV?

My $0.02, having been a VPI owner for many years.

Acrylic beats aluminum. Heavy beats light. The type of bearing doesn’t matter; the quality of the bearing does. Each type of bearing has its advantages and disadvantages.

IMNSHO, and that of some experts, the acrylic/lead (which I use) and super platters are the best. I switched my original TNT bearing for the Mark V, which I think is the best (or nearly the best) non-inverted bearing VPI has made. FYI VPI uses a non-inverted bearing as the main bearing in its best belt driven TT, the Avenger Reference with the magnetic platter.

The personal arguments here are of interest to no one.

Yes, of course.  But the bearing that does most of (indeed, almost all of) the turning is the non-inverted bearing.  My only point was that there is a popular misconception that inverted bearings are inherently superior and non-inverted bearings are inferior.  The excellent performance of the Avenger Reference proves otherwise.   The inverted bearing isolates the slave platter from speed variations of the drive platter, but not from its non-inverted bearing.

As stated, a major advantage of a non-inverted bearing is that it sits in an oil bath.

Thanks for the bearing tip.  It's on its way.  About the thrust plate, I'm not so sure.  Do you think VPI may have an extra thrust plate?

It may be that you are correct about the Delrin, but I think we and VPI have been using the term "acrylic" for a long time, even if incorrectly.  I know that HW has written of the " acrylic lead combo".  Also I Googled "VPI Super Platter" and came up with some VPI promotional material which reads in part, " Made from an acrylic/stainless/acrylic sandwich (just like the HRX chassis) and weighing in at 25Lbs this is a big bad platter upgrade . . ."

But more importantly, thank you for your contributions here and on the VPI site.