Update On The Wheelchair PostSeveral of you guys e-mailed to let me know that better wheels for wheelchairs do exist. John Catania sent a link to 24"x1.95" wheels (designed for off road). Erik Taylor sent in a link to a wheelchair design that is remarkably striking and highly functional (hubless wheels and a short wheelbase).
Thom Moyles sent in the most logical explanation for why so many people are using Ironside's wheelside--it depends on insurance. If Medicare provides the wheelchair, it's going to be the generic model. If you have better insurance or more resources, then higher-performance options are available.