Official In Meus Pardus progress raids now consist of the following:

Icecrown Citadel 25-Man
Icecrown Citadel 10-Man
Ruby Sanctum 25-Man
Ruby Sanctum 10-Man
Vault of Archavon 25-Man

Raiders and Trials must make sure they are not locked out of any of these raids with any non-guild groups. As always, members should be up to date with tactics and stocked up on food, flasks and potions before each raid.