true, and when you modify things to accommodate your body and its needs, you'll feel a heckuvalot better after a rainy sunday afternoon at the bench. just because a thrift store or sidewalk salvaged chair or desk is configured a certain way doesn't mean it can't be changed. legs can be shortened (chair or table - not modeler's!), cabinets, too, or built up higher. ergonomics, light, & ventilation can go a long way towards making building comfortable.