March 5th: ToT opens.
March 12th: Heroic Mode is available.
March 26th: ToT first wing in LFR opens.
April 16th: ToT second wing in LFR opens.
May 7th: ToT third wing in LFR opens.
May 28th: ToT final wing in LFR opens.
Casual players aren't going to like being locked out of content, nevermind still stuck with what seems like three weeks of dailies and stale content.
Yuup. Considering how many people actually just run lfr instead of raiding I wonder why they have on in the first place? I guess as more incentive to organize a raid and further gate the majority of players?