Don your entry is still our favorite (although one other one is now a close second) I am only writing this because you asked for a way to improve it. Maybe more realistic looking flames coming off of the 4, it's the only thing I could come up with.
Don this new one is by far the best of them, I'll tell you that the reason we like the other guys design (the # ranked) at this point is the lettering style and shading.