Khan doesn't have 1 punch ko power, but he can easily overwhelm people with bunches of punches. People are kidding themselves, Maidana has a slim punchers chance because Khan will just nip in and out of range firing of his rapid combos for either a UD or, if he hurts him, jump on him and get the stoppage. Khan's the faster and superior boxer, has tighter defence, Maidana's too crude and is also chinny.
I think you got this pretty much spot on. Khan will not look to get involved, as even against paulie featherhands he wasnt looking to KO him. Khan decision will be my bet also.