Hi Blondie,
When I asked about LOTR and Potter; I was told that in LOTR the humans did not perform magic themselves........I guess I went to a different version of LOTR...those 2 wizards looked pretty human to me.
In the LoTR mythos the wizards have taken on human form (yes there is a mythos in LoTR - with god, angels, good/evil, and the whole nine yards), They are normally of spirit essense and are roughly equivelant in power and status to the Balrog of Moria. Sub-angel might be the right word for the wizards (there were more than 2 in the books). Sub-demon for the Balrog. They do not hold the rank of "angel" or "demon" as we would think of it (there are other creatures that hold those places), but they outrank the immortal elves who never foresook Valinor, and certainly the lesser mortal races such as humans who will never gaze upon the undying lands. His spirit nature is why Gandalf was able to confront the Balrog at the bridge with some success. His wearing of the third elven ring reinforces his power. It is the ring of fire and protects him from the Balrog's flames. Anyway, that is where a bit of the distinction lies about humans not using magic in the books, although it is a very thin excuse. BTW, Sauron is not the equal of Satan in these stories.
The mythos is spelled out in the book "The Silmarillian". It has been lampooned, but really the style is the of the ancients greeks. Given that the book is supposed to cover ancient history (from the perspective of someone living in the Thrid Age of Middle Earth), I find the style to be appropriate.
I have now put on my +3 Armor of Dorkiness in case anybody wants to take a shot.