vpi tnt still a performer?


any thoughts on a vpi  graham 1.5 ? I have a line , am i barking up the wrong tree? or should i keep my classic.. 
128x128oleschool
Which TNT?  There were at least 5.  Original or modified/updated?   Which platter?  
sorry how can i tell ? the seriel number is in the 900  working on the year .all black silver air feet and motor red trim on tonearm board . It looks like a ribbed platter with a very thick rubber pad.sorry i have only seen pics