Of course there are, you can find them via affiliate networks (like CJ), via CPA networks (Clickbooth, Maxbounty, Azoogle - these pay in CPA). Or you can try MoreNiche for something different It is a lot of info about these networks around here.
Yeah all those are great niche's. Alternative health options like hypnotherapy and acupuncture are also a huge area. Training in these areas is also big as more and more people are searching for alternative lifestyles (me included).