This guy does a pretty good side-by-side comparison of the two. I suggest
you watch him use the Storm's touch screen: he seems to have little trouble
with it. And certainly pay attention to which 3G network actually loads the
fastest. This is a fairly objective review, imho, worth taking the time to
watch.
http://www.youtube.com/watch?v=xuEerMCAlx0&feature=bz303