It might be the Egyptian standard to maintain in such standards.
Be aware of the tour guides near the entrance! They took the tourists for granted and arguing with you for business.
We have visited today as a family of four. There was a older guide with heavy local accent to speak English; we decided for the other...
We went there in June 2012. Around the complex we found the cordon of army, a museum and access was furter secured with barbed wire, because of the political situation in the country.
We got headphones on where we could hear the guide and clearly we made clear that photography was strictly prohibited inside the museum.
On the top of...
Visited the museum after a visit to the pyramids. Would have appreciated air conditioning that was the only fault. The museum was a great insight into the history of Egypt. A definite must to visit when your in Cairo.