A variety of resources we found useful before, during and after:

http://www.southamericaliving.com

https://www.facebook.com/groups/54870589590/

https://www.facebook.com/groups/123258451611/

http://baexpats.org

http://www.internations.org/argentina-expats/guide

http://www.expatforum.com/expats/argentina-expat-forum-expats-living-argentina/

http://www.lonelyplanet.com/argentina

http://www.lonelyplanet.com/thorntree

http://www.isls.com

https://www.airbnb.com

http://www.vrbo.com

http://www.booking.com

http://www.naike.com.ar/

http://pangaeatravel.com/

http://www.infocalle.com

http://casas.trovitargentina.com.ar

https://dicusbreen.wordpress.com

http://danandlojo.blogspot.com

http://www.numbeo.com/cost-of-living/

http://www.familysabbatical.com/book.htm

http://urmovingwhere.com/

http://www.dolarblue.net/

http://www.buenosairesherald.com/