Well it looks like we have our first date for Sony's new Home initiative as CVG is reporting
that the social application for your PS3 will be out in October. The beta testing for the application is supposed to start next month and it will be interested to see if Sony will actually make their ship date and what will be included with home.
In case you've been living under a rock or just ignoring the news coming out of GDC, Three Speech has a few
up, PS3 has a summary
of a talk with Phil Harrison, and OXM has the MS rebuttal