i think not.
considering i fail to find 100% proof that Firefox is faster than IE(actually i find looots of conflicting data, which is probably biased), since the speed depends on:
a. Hardware(processor, ram, etc)
b. Software(other things running, addons, etc)
c. content(ie pages with more html will load at different speed then pages that are heavy with script or images)
d. outside variables(ie, internet speed, server load changes, lost packts, etc)
these 4 things can make it very hard to get accurate results.
i find that firefox can take up to 2 min to load(no addons in it) but IE can take up to 30 seconds, normally FF is 30 sec, IE is like 1 sec.
i also find that IE
and show me were IE fails to display pages corrctly, if anything, ive had more trouble with Opera and Firefox rendering pages right then IE.