And, from what I've seen, they're all good. :D

Canoe.ca (five stars!)
http://jam.canoe.ca/Movies/Reviews/A/Away_From_Her/2007/05/04/4153338.html

Toronto Star (three stars)
http://www.thestar.com/artsentertainment/article/210290

Globe and Mail (three-and-a-half stars)
http://www.theglobeandmail.com/servlet/story/RTGAM.20070504.waway0504/BNStory/En\
tertainment/home

And another article from G&M...
http://www.theglobeandmail.com/servlet/story/RTGAM.20070427.wschneller0428/BNSto\
ry/Entertainment

Now Toronto (with interview; NNNN)
http://www.nowtoronto.com/issues/2007-05-03/movie_interview2.php

Eye Magazine (three stars)
http://eye.net/eye/issue/issue_05.03.07/film/lead.php

New York Times
http://movies2.nytimes.com/2007/05/04/movies/04away.html?ref=movies

USA Today (three-and-a-half stars)
http://www.usatoday.com/life/movies/reviews/2007-05-03-away-from-her_N.htm

Canada.com
http://www.canada.com/topics/entertainment/story.html?id=9d835fe7-7ae7-4609-82ee\
-256041628737&k=47682

Macleans (interview)
http://www.macleans.ca/culture/entertainment/article.jsp?content=20070507_105089\
_105089

Salon.com (day pass required, unless you're registered; interview)
http://www.salon.com/ent/movies/review/2007/05/03/btm_tribeca/index.html