Alienation went raiding active mid january, cleared everything first week of raiding, had 4 heroics down after 4 weeks of raiding. We then had to change our schedule (real life caught op with one of our tanks) and got behind, we got a new tank, and killed 4 new heroics in two weeks.
We run a fairly strict raid, and will always push it. We have several high rankings on WoL, and I always expect everyone to play their character to the fullest. If you think at any point its okay to do half the damage, or half the healing of someone, then you should not think about applying. I want people who pull their weight, because we will pull ours.
We run a tight core, and therefore everyone is expected to be ready for all raids.
Our primary raid schedule is Sunday through Thursday from 1900 to 2400.