Simon, first announcement was Feb. 8th over at MediaShift here

http://www.pbs.org/idealab/2011/02/knight-mozilla-partner-to...

but don't fret! This is only the first year, in which 5 of 15 fellows will be selected. There will be a fresh new round of applications in 2012. I recommend jumping on the listserv http://mzl.la/mojolist to stay in the know