I did not attend the conference this year, but just read through the presentations. There is some overlap with other R-related conferences, such as R in Finance or the Rmetrics workshop.
http://www.agrocampus-ouest.fr/math/useR-2009/ http://www.rinfinance.com/ http://www.rmetrics.org/meielisalp.htm
Here are some more detailed notes.
<p><a href="http://zoonek.free.fr/blosxom/R/2009-10-12_UseR2009.html?seemore=y" class="seemore">See more ...</a></p>