that is a really good test but the result is inaccurate, try this larger file.
http://www.testmy.net/tools/test/d_load.php?&st=st&tt=1&ta=1&top=000&out_src=20MB
Larry thats a really nice download
your upload speed its still advertised at 768kbps so what you are getting is not that bad. if you turn off norton and your firewall do you still get the same upload result?