I was going to go with the glass but opted out for the plastic.My 69' Olds had the real glass but it broke when the top folded down and was off kilt a tad and clipped a 6x9 speaker mounted in the trunk area behind the seat so there is one downfall.
David
http://FirstGenFirebird.org/show/closeup.mv?CarID=571 If i don't get this car back on the road soon i'm gonna go postal! On a quest for FGF knowledge 1968 Pontiac Firebird Convertible 1969 Oldsmobile Cutlass "S" Convertible *Sold*