I don't know anything about them personally, but their website looks good... They do all the proper testing and they show... sounds like the pups are raise with the family in the house.
One additional thing I'd want to see when purchasing a puppy is "soaps" of both the pup and the parents. The dog is soaped down with shampoo, then photos are taken from the side, front and rear so that you can really see whether the legs are straight and the structure is correct. Unfortunately, in a coated breed, that lovely fluff can cover a number of sins, and there are MANY dogs who have received their championships in spite of crooked legs. That is NOT to say that any of these dogs have crooked legs, but long-term soundness, even in work, is very important to me.
Go to our section on purchasing puppies, and you'll find lots of good questions to ask the breeder. A good breeder will be pleased that you know enough and CARE enough to ask as long as you ask respectfully! But on the surface, based on the website alone, there is certainly nothing here that would turn me away.