A complete style guide of arrangements for Subway and Candlestick Tiles
"Often the first thing that comes to mind when you think of a subway tile is a white 3" X 6" in a classic horizontal arrangement. It's a timeless look, but if you'd like to push the design envelope a bit further, we've also included a few other arrangement and colour options that you might want to consider."
TilesExplained: Using PEI ratings to select tiles that won't wear out in your space
"...you don’t always need to try to buy the tile with the highest PEI rating, just the tile with a high enough rating for your intended use. A lot of beautiful decorative wall tiles are made in a way that results in a more delicate glaze, which is perfectly fine for most walls."