This is the cheapest source of coQ10 I have seen. (which is not to say there are not others. I have no interest beyond being a customer) They are also helpful and efficient.
They have some information on coq10 on the site.
http://www.vitacost.com/productResul...y=12&Ntt=coq10
Here are two links. I have started taking Coq10 at higher dosages but must stress it very much an unknown as there does not seem to be much research.
http://altmedicine.about.com/cs/supp...oenzymeQ10.htm
http://www.mayoclinic.com/health/coe...nt-coenzymeq10
RB