Hi Louis, I still have my book and am still on the fence. I guess having waited three years to find a copy to buy on ebay makes me somewhat hesitant to give it up!
Are you interested in a particular individual, or many people from many different families? Are you looking to buy the book "cold," or do you know if your family is well-represented?
Your library may be able to secure a microfilm copy of the book from the LDS library for a nominal rental fee. It might be worth checking out the info before you buy. There was a good bit about three surnames connected with my family, but there was nothing really earth-shattering. Anything printed off of LDS documents is considered as good as getting it from a physical copy of the book.