by The deadlines are fast approaching to submit your talk proposals for Cascadia IT Conference 2013. No paper is needed – this is a smaller regional conference and an excellent opportunity to hone your talk for LISA.
http://casitconf.org/casitconf13/cfp/
On what should you present? By far the easiest thing is something you've been working on already. It might not be a single large project, but a recurring thread in many projects over the last year or two.
All things "cloud" are hot topics in the world of system and network administration lately – can you provide a perspective that isn't getting much coverage?
There isn't yet much information about OpenFlow and CDNs outside of larger organizations. If you've been working with it, perhaps you can summarize your thoughts and experiences.
What about looking over past talks at Cascadia IT Conference, LOPSA-EAST and LISA for ideas? Those speakers may or may not be submitting that particular talk (you can always contact them and ask!), but you might also be inspired to create a "version 2" or "advanced" version of the previous talk.