Pet Plan does seem to be the preferred provider. Remember that Hallifax went under a couple of months back. Personally I'm in the US and I use a vet discount program - Pet Assure - instead of pet insurance.
Wow! That's a lot ... in the US (where I live) I got a quote from VPI for $95 a month, for my dog! And they wouldn't cover his "preexisting condition" of hip dysplasia. I ended up going with a vet discount program called Pet Assure. I pay 8 dollars a month. (I only save 25% at the vet but there...