If you like Buenos Aires city, his architecture, life style, etc, is a good idea to buy an appartment there. But take care!!. Most new appartements on sale are really build through a destruction of Buenos Achitecture, precisely what you want.
visit following blogs and you will know wath is really happening with your investment: http://www.basta-de-demoler.blogspot.com/ www.soscaballito.blogspot.com