While not FOSS-related, it's surely of interest to some of us who have
to do various switching- or L2-related stuff.
http://www.pipelinenow.com/clients/Juniper/2009/09JNPR089/junos_twoday/aug3-4.html
Dino and I will be attending, along with a few others we've worked with
in the past. I've started squirreling away various PDF and CHM files on
Juniper, in case you're interested. :)
Those who want to know more about the EX series might check out these links
http://www.internetnews.com/infra/article.php/3724536
http://www.juniper.net/us/en/products-services/switching/ex-series/