Date reached: 12th May 2010 (Only a year and two months after the community started! Haha... that's what you get when you don't update for months on end and such.)
Date reached: 19th May 2010 - 7 days after the last one. (That's pretty crazy!)
Date reached: 17th July 2010 - 59 days after the last one. (I didn't make an icon post at all in the space inbetween, so that's fairly decent, considering.)
Date reached: 29th September 2010 - 74 days after the last one.
Hopefully there shall be many more! \o/