I say just do it. When you're plateless you waste too much time worrying about it and you THINK the car looks better with it off. When you finally decide or are forced to put the plate on, it's no bigdeal after a couple weeks, the car still looks great.

The biggest plateless downside is the cops have an open invitation to stop you anytime they feel like it. BTW, that's all the cops do is check out cars and their equipment, so it's probably a safe bet they notice you're plateless about a dozen times a day? OTOH, some guys say they went years in NYS and were NEVER stopped.