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here look at this one:

http://www.youtube.com/watch?v=zD2z2vJEpKQ

Basically all the OP needs to do is stop asking and instead get to honing.
Practice makes perfect. Once perfection has been achieved with the Nortons, then one can start thinking about greener...

you are mistaking sharp and smooth, after certain levle all you do is reducing the serrations on the edge, not making it keener.
As far as say diamond pastes, you need to experiment a bit to see...

Ok then some mentor gangin' if you do not like the mod gang :p
Smooth is more important than super sharp. You can't get smooth @4k , it will not be comfortable shave, the edge is also not sharp at...