The maximum stable over clock I can get with my MSI Sea Hawk EK X is 2075MHz @ 1.063V. Highest temp during over clock and Doom is 42C.
If anyone can get over that frequency during FireStrike, please let me know.
I was getting ~2150 during fire strike, after a mobo bios update (weird but verified), it became slightly unstable, so now I am sitting at 2114 in fire strike, a new mobo bios just came out a couple of days ago but I haven't tried fire strike since then.