Community: Season 3, Episode 4 'Remedial Chaos Theory' Previews and Recaps

As of Friday morning, I still haven't seen this week's episode of Community.  If others are to be believed, this is probably the best episode of the season so far.

Previews
TIME--James Poniewozik
Entertainment Weekly--Ken Tucker
HitFix--Alan Sepinwall

Recaps
Entertainment Weekly
Cinema Bland
Television Without Pity

Breaking Bad Finale

Here are some recaps on 'Face Off', the appropriately titled Season Four finale of Breaking Bad.  Understandably, they are on the positive side. 
TIME--James Poniewozik
AOL--Mo Ryan
"Talking TV with Ryan and Ryan Podcast"

TV Guide Magazine--Matt Roush
HitFix--Alan Sepinwall
Los Angeles Times--Todd VanDerWerff