My personal take is that he was not entirely clean of the fascist stink (he did command the Führerbegleitbrigade, personal bodyguard of the Bohmische Gefreiten), but he was a lot cleaner than many others. By allowing himself to be associated with the July 20th plot redeemed him a good bit.
Professionally, I find him a brilliant tactician. His book,
Infanterie Greift An, shows he was hyperaggressive and the secret of his success was often that he was so aggressive nobody was prepared for his aggressiveness. Over and over, his opponents thought to themselves, "There's no way he can attack, so there's no need for us to be ready to defend," followed by "Oops!"
On the other hand, he was a logistical disaster. Once when a log officer in North Africa told him that his plan was not feasible, Rommel told him, "That is not
my problem. That is
your problem." Well, the god of war begs to differ, Herr Feldmarschall. Logistics is
very much the commander's problem. Come to grips with that or logistics will slap you upside the head, which it did in North Afrika in January 1941 and November 1942.