>One person on other forum really hates the breeder but I think it is personal.
That's always a problem; sometimes when people are asked
why they wouldn't recommend a breeder the reason, if forthcoming at all, can be completely irrelevant ("She said nasty things about my dog" for instance)!
If the breeder shows or works their dogs (and if they don't, why are they breeding?) successfully the results will be fund on the 'net and then you can use the KC website health check page to find out more. Not all tests are recorded there, but it's a help. Good luck!