I'm not Greek, nor have I been to Greece, so I'm very unqualified to say this... But I think Akropolis' gyros are the most authentic gyros I have ever had... Or so people tell me.
What I can tell you is that they are the tastiest gyros I have ever had. We found this gem about a month ago and have ordered delivery about a dozen times since then. It's our new go-to "I don't want to cook, but I want something tasty and cheap" meal.
The food is always fresh, and always the right temperature. The meat is hot, but the veggies and sauce are cold... Man is it perfect!
Their delivery service is super speedy. We usually get our order within half an hour. And they deliver to Crafthaus in the booze district. The delivery people are always very nice, and knowledgable about the company.
I just can't say enough good things about Akropolis.... You need to order now!!!