shano,,, top is all ally,,, in the attached pic you can see part of it hiding behind the brick pillar prior to painting,,,
the extenable roof will lock onto this and have 2 supports towards the bow,,,
sunroof style slide inner and outer will take care of the ""gap"" over the nose area,,
cost,,, dunno yet,,,, a customer of mine is doing all work,,,,,, including a few pieces that are going under the roof lining,,,,
choppa