Yes used them before, they drop the sales tax that end,normally once you register & put it in the cart it should show the correct price.
Yep both those places be okay, ATI stuff is packed pretty solid, i pulled in a skimmer & it shipped in fine,no breakage.
If you going that route add a couple of fans for spare,was the only thing that broke on my sunpower in the time i had it.
301.70 without tubes & non dimmable
edit - might be a problem with them if i continue to see what shipping is it only offers "self pickup" so maybe they won't ship light units