I've been on a raiding hiatus from WoW since October 2011. Before this, I was in a guild who was working on Heroic Ragnaros 25man (and saw phase 4). I have geared myself up as much as possible through LFR since returning but have not seen normal or heroic Dragon Soul in person yet.
I'm looking for a guild that will be raiding in MoP that I can become established with. I'm not expecting to walk right in and be brought in on raid nights, though I would like to be brought in as much as possible as a backup/alternate. My schedule has some flexibility in it, but the ideal guild would raid 2-4 nights per week, understand that RL does happen (though I have rarely missed raids in past guilds), and starts raids somewhere between 4:30pm - 6:30pm PST, ending somewhere around 9:00pm-10:00pm PST on work nights (Sun->Thurs).
A little about me:
I'm a mod/admin at HowToPriest.com and maintain my own Best In Slot list for Shadow Priests both there and here at MMO. I also do a fair bit of theorycrafting and am a new developer (who is getting up to speed) on SimulationCraft.
My raiding experience is as follows:
Vanilla
Raid lead experience in:
MC / BWL / Ony40 / ZG / AQ20
Raiding experience in:
AQ40 up to Twin Emps
Various Naxx40 bosses (Anub, Noth, Instructor as an MCer, and attempts on others)
BC:
I did not play at all during BC, but have gone back and experienced all of the raids multiple times.
WOTLK:
Naxx 10/25 (Undying pre-3.1)
Sarth 10/25 3D
Malygos 10/25
Ulduar 10 (14/14)/25 (13/14)
ToC 10/25
ToGC 10/25
Ony 10/25
11/12 HM in 10 and 25 man during 15% ICC buff (1 achievement short of 10man drake, 3-4 short of 25man drake)
RS 25
CATA:
Bastion of Twilight 25 - 4/5 Heroic Pre 4.1 (inc. Sinestra)
Blackwing Descent 25 - 6/6 Heroic Pre 4.1
Throne of the Four Winds 25 - 2/2 Heroic Pre 4.1
Firelands 25 - 6/7 Heroic T12 pre 4.3 (with phase 4 H: Ragnaros attempts, as mentioned earlier)
Dragon Soul - 8/8 LFR