ACO Linear Drains - Best in Class - Easiest to clean.

aulven, i'm just trying to understand your question more better, are you looking for a easy clean floor for your walk in shower ?

aulven... Our "Houzz friend", John Whipple, is the "go-to" guy for everything "walk-in-shower" related!! Here's link to all 209 ideabooks he has written on the topic.
http://www.houzz.com/pro/johnfrwhipple/john-whipple-by-any-design-ltd#!ideabooks

@ Mr. Whipple.... As your most dedicated follower, I'm expecting some awesome advice when I finally tackle my tiny, disgusting, out-of-date bathrooms! lol!

True that

I love the look of tile walk in showers, but I've heard they are hard to keep clean. What else can I use and kind of keep the same look?

Showers are hard to keep clean, period. Depending on your budget and the look you wish to achieve, you might want to consider a solid surface material. There are a lot of "Walk in shower" images available to start an ideabook with.