NWNDM: Why would you want to make the game suck donkey balls?
I mean, it kind of sucks donkey balls as it is. The idea that 4E rules would improve it is sort of a shot in the dark.
To really remove the donkey balls from the game's mouth, you'd need to implement turn-based combat, revamp the AI, rewrite the cookie-cutter story, and get rid of Jar Jar Binks...I mean, Deekin.
But short of that, I was thinking a 4E rules mod might be the equivalent of letting the game hold its nose so it, at least, wouldn't have to smell the donkey balls.