It needs to look like a jet ski or motorcycle. There should be 4 fans, one on each corner and the user interface would be more like a motorcycle. Let go of the handles and it automatically goes into stabilized mode and your feet would control the brakes and forward acceleration. The whole thing would fit into a standard parking spot. It would have speed determined left and right tilt. In a high speed turn, the rider wants to tilt into the direction of the turn, just like a motorcycle. however, for low speed hover control the rider would lean into the direction he wants to go. Trying to nudge to the left a little to hit the parking spot, just lean to the left.
Why should the feet dangle like a pair of dead twigs. This isn't natural and it puts the operator in an uncomfortable position. No other human operated machine ignore the legs. You also loose two potential inputs for control. And lets be honest, you couldn't shoot at the enemy using this thing. But if it was a motorcycle in the air, you could still control it by leaning your body and controlling forward speed with your feet. That free's up your arms to fire.
And let's be honest, unless we get the army to buy enough of these things to lower the manufacturing cost, we'll never see one in the garage.