On the trailer V Pannier? Opinions vary greatly, I've used both and can see merits to each way of carrying your "stuff" so it's really up to YOU! how you wanna schlep your gear around. If you haven't found it yet go to
www.crazyguyonabike you'll find LOADS of people that have already put on TONS of miles on to their rigs. You'll find equipment lists and pictures of loaded bikes as well as reviews from people that have actually used what they're writing about.