No, it is actually the other way around. If you record something in motion, you should
use the default video mode (fields). Only then will your camera be able to capture reasonable motion. Progressive scan works best with slow to medium fast motion.
But in any case, opting for a cheaper camera really just tells you how seriously you take the concept of videography. No pain, no gain...:-)
At the end of the day though, its really the photography, editing and postproduction that determines what the viewer will experience.
Remember, your buddies or family are not objective!