Big Smoker, why do you assume other brands have defects? I hear you man, Roors are definitely usually flawless, but since when are all other companies making defective products?
IE:
http://www.canaseed.com/SeedsPriceCompare.aspx?p=1548 this is one of the smallest tubes they make. Its fucking tiny and the glass isnt thick, but whats the pricetag? 100 fuckin bucks.