Anyway, I tried Ultracote for the first time. Contrary to what I was told, it was not any cheaper than Monokote.
However, I couldn't believe how easy it was to pull the wingtips smooth and suck out all the wrinkles with a heat gun or iron. I was using the Ultrakote Plus, which was somewhat of a PIA because of the sticky backing, but it was still way easier to get good results than any Monokote I've ever used. Only real drawback, so far, is that the seams appear to be more visible than Monokote.
Are their any other drawbacks I'll experience once I get the motor running and plane flying?