I would say overall positive experience (around less than an hour for me) Schnoober; since anyway I'm not a high maintained customer. As long as you have a color sense what you like I think it won't be a hard job; however the lady did mention the couple before us got into an argument what to select since you can either go with the color theme choices they put up for you (3 of them, light greyish/beige, brown, dark greyish/black) or mix match. Then if mix match, you've got much more combination choices to make and decide. e.g. 6 color to pick from for floor I believe then plus cabinet, bathroom tiles, cabinet so some color matching exercises. Upgrades are not difficult at all since I wanted the common ones only (the must ones for me).
Sry it is the marble tiles backsplash..to me they are the same material (stone) vs glass etc.