Art...I have used both and Nu-finish is my choice for protecting the whole rig. I didn't find too much difference in getting bugs off of the front. My Cameo is 6 years old and still looks almost new with no decal fading or peeling. Nufinish is cheaper and easier to apply. I "wax" the sides once a year and the front cap twice. The polishing compound works nicely, but best if you have a buffer.
I have always heard good things about the Meguiers marine wax as well.
You will get lots of opinions, but anything is better than nothing!