Basically a great 1-2 punch if you want to use a ball with the EZ Rev core. The LevRg will handle way more oil and be the more arc option of the two. The NSane is pretty angular. They compare to each other by the way they hit and how they read the lanes. Since I've began using Morich equipment, the way I see things has changed because of their signature reaction.

Since you appear to be a speed-dominant player, MoRich should fit your game well. The LevRg, Awesome Revs, NSane LevRg, and Sahara should be a good arsenal. (drill and surface prep accordingly). That being said, the Sahara is still a relatively strong ball, so I am not sure how much mileage you will get on true drier conditions.
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Make history or sit back and watch it. -EV