I wouldn't imagine the Kindle Fire would be easy to rank for, as every man and their dog will be promoting it, but the best of luck with the products you choose. Mark
It's better to promote a product which is either relatively new or has low but a good feedback score and can get to page one on Google for the relevant keywords than an item that everyone is promoting and be stuck on page four of five of Google.
Thanks for useful post. I am trying promote new Amazon product. I am very new for affiliate programs so I read one by one thread. I think it will help those post.