I have been working with this affiliate program since those times when I had to use ping support in ICQ)
The pluses are that the affiliate program is constantly developing and listens to the wishes of webmasters. Out of all the affiliate programs in the niche there is definitely the best conversion rate for seo traffic! Good thing is that they always pay in time and regularly.

From the minuses - there is a weak statistics. If you have not put subkey, it's difficult to analyze the traffic.