I have recently bought a few exciting domains relevant to a high selling clickbank product. In the past I have simply cloaked the domain to the relevant product to obviously protect my link from being stolen (plus other benefits) however I appreciate that as far as SEO is concerned this is simply seen as duplicate content plus any keywords etc I entered would be seen as irrelevant. this time round I have decided to do an experiment. The domains I have are extremely similar and I believe the search engines would see them equal. one I them I will simply forward and mask to my affiliate link / chosen product. The other I will create a very simply site and place a redirecting link to the same chosen product/ affiliate link. I am guessing within a short time I will see for myself which ranks best.!