I really like this Pita Jungle. It's my go-to spot for Gyros. Mmm! They're very good here -- the best I've had on the east side of the Valley. The Gyros are a decent size, and they put the best pickles on them too (not sure how authentic pickles on a Gyro are, but they're really good so just go with it). The Tzatziki is very good too. Just an all-around mouthwatering, flavor-complimenting Gyro experience.
Also worth noting is that this particular location sits next to a "lake," so the outside seating makes for a very pleasant alfresco dining experience -- when it's not blazing hot, that is. There's also a lot of tasty vegetarian options here too, so you can safely bring along your vege-pals and know you're all going to find something that suits you.