I've had the Falafel sandwich from here a couple times and I'm certainly a fan. It's a bit of a drive from my house but the food is worth the wait.
Service is super helpful and friendly but once you put in an order it usually takes a while for the food to come out... I think that's a sign that they cook it fresh. When you do get your food it tastes like the the cooks took their time with it.
Also the first time I ate here I ordered my food to go and I'm not sure if they were running low on tahini sauce or just rushed it or something but it was not that tasty. Only when I returned at a later date and ordered my food to dine-in did I get the real experience of a delicious well prepared Falafel sandwich.
The french fries here are the best I've had at any kebab/gyro joint so I would say whatever you order make sure you get a side of tasty potatoes. I've had the hummus as well and it's got solid flavor so I would recommend that as well.
Probably the best part about this restaurant is the business hours on Sunday. It's impossible to find falafel on a Sunday so for that Chicago Gyros can count on my return business.