small businesses in particular are used to getting pulled in several directions; different hats get thrown on and taken off daily; general organization is often a novelty. screen fabrics are the perfect solution for controlling light and heat. i would suggest you take a bus and enjoy the trip on a budget. so even before this i had been thinking of picking up another caster. for now, i'm going to leave this on as an unknown and the other model as the ranger, with the hope that the library of congress will reveal an advertisement that will clear up the confusion. 