http://www.petinsurancereview.com/index.asp
Lists 12 US insurers and 7 Canadian insurers - click on each one and you can see comments from people who have actually used the insurance. Very good website! I know people always have questions about pet insurance and this is a good place to start.
As an aside, Inara is ensured under Embrace and they received 9.14 out of 10.