yeah, i read about the stretching... which is another thing i need to do... and i read about the different foots types. in the end... i just purchased this for $32
http://www.fogdog.com/product/index....entPage=search
i figure, i'll use them for a month or so then go to a running store. i've heard they can tell exactly what you need just by looking at the wear pattern on the tread. anything is better than my vans for running in... and it is very short term.