First things first;
If you wish to remove Norton...use the removal tool click here
Then have a look through Add and remove programs to see what else is not needed and remove,run ccleaner click here and reboot.
Reducing the startup programs using MSCONFIG
Start and type MSCONFIG and enter,agree to UAC
Under General you can select Selective startup or goto Startup and remove what is not needed.
Just be careful you do not remove the startup for the lappy touchpad.
There are several tweaks for Vista and something we can address later.