I'm getting ready to purchase a replacement tub for a remodel. After much reading online, I've decided to go w/acrylic, and realize there are many "grades" of the product. My budget for the tub is $600-850. Can I buy a decent acrylic for that, and is there a quality difference between Maax and Aqua Glass (both have a size/style appropriate.)? Does anyone have another recommendation? (60x30 or 32 inch limit)