I agree, seems a little dearer than I’d expect for that system. I would get a couple of alternative quotes, we’ve got a couple installers listed on our Northern Rivers page. You can also see some price comparisons from other quotes on that page. It looks like you are being quoted over $2 per watt (before STCs), it’s unusual to see quotes that high for STC zone 3, even for premium products.
There is nothing wrong with those products, both pretty solid brands, however for that price I would be considering top notch, as per these articles: