Ministry Of Sound is old. There's loads of clubs in an area called Shoreditch (tube Old Street then walk east), places like Cargo and Fabric. Either of these two are great, Fabric is the bigger of the two. MoS is for tourists, and is losing money - may have even closed by now.
fly Saha Air 707s daily from Tehran's downtown Mehrabad to Mashhad, Kish Island and Ahwaz