Ok first of all the poor guy is trying to figure out cost and the project keeps changing. first of all does it really matter if he pays 100,000 for the glass, or 1,000,000. it is not anyones money but his. let the man talk, if u have something good to say then say it, but if not leave, if he thinks he has the money for it, ( and judging by the fact he has a rough est of cost for each part, i think he does) then let him do it. he is here bouncing ideas of people with "knowledge" some of us have. many people like johnptc know what he is getting into, where as some of the clowns on here prob have a monster 10 gal tank.