Choosing the Aspirations shower walls was certainly a good decision. Compared with similar products, these are reasonably priced and I am pleased with the quality. The joint where the two back wall panels meet is very well designed and, if you're careful during installation and make sure the alignment is perfect, that joint is essentially indistinguishable from the other simulated grout lines.
If you plan to install these yourself (I did), read the installation instructions and watch the installation video multiple times. Be sure to leave small gaps between the green board and the tub flange and between the wall panels and top of the tub. If you follow the instructions, installation is fairly straight forward. I highly recommend using the adhesive that is shown in the installation video. It works very well.
In summary, I'm very happy with the quality of the panels and the clean, finished look when they are installed. I think I made the right choice.