I hoped to see Jackson's version of Bombadil, but alas the movies didn't suffer because of the lack of it. Bombadil wasn't, obviousl, vital to the plot. However; I was an avid LoTR fan when seeing the movies; and thought that the whole "ghost army saves the day"-moment was rather lame.
No. I don't sport a pair of fake elf ears and a Sting-replica. Flame of Anor is enough.