Probably no god is best, but a god that has a lot of power, yet is willing to demonstrate his reality in tangible ways for the betterment of mankind could be cool. This god would be a lot like Superman, though in the real world, having a lot of power would inevitably corrupt the wielder of such power.
Using the supernatural to explain events in your life is a failure of the intellect to comprehend the world around you. -The Inquisition