which OS version are you using? If you can give more details that will help.
'slow' can be for many reasons (not just uploads).
btw--Norton on OSX! That's brave--I hope they fixed the problems that scared many who were confident with Norton on OS 9, but suffered when using it on OSX (see
http://www.macintouch.com/systemworks2.html , or just search
www.macintouch.com for 'norton'