showmethemoney, That article you linked to is from 2002. 21st Century Airships is a competitor..Old and outdated to say the least..rock <A HREF="http://www.findarticles.com/p/articles/mi_m0EIN/is_2002_Dec_23/ai_95674912" target="_blank">http://www.findarticles.com/p/articles/mi_m0EIN/is_2002_Dec_23/ai_95674912</A>