Brf, thanks for clarifying the issue of the bearings; I believe you are correct. Re the platters, take a look at this Mk3:
http://app.audiogon.com/listings/turntables-vpi-tnt-iii-turntable-2013-04-20-analog-33647-tampa-fl
http://app.audiogon.com/listings/turntables-vpi-tnt-iii-turntable-2013-04-20-analog-33647-tampa-fl