The first talk, being delivered by Jared Erickson and myself, is titled GeoScript - Spatial Capabilities for Scripting Languages and will be an introduction of the project as a whole. The second talk titled Scripting GeoServer with GeoScript will be presented by Tim Schaub and myself and will focus in more on GeoScript as a scripting engine integrated with GeoServer.
The tutorial Working with GeoScript will be a 1.5 hour session and will provide a working introduction to GeoScript that will allow attendees to get their hands dirty with some code.
Developer turn out is going to be great this year. All four of David, Jared, Tim and myself will be attending this year so the four primary implementations will all be well represented. As well Ivan Willig is currently working hard on an implementation of GeoScript for Clojure that looks very interesting. Ivan hopes to get something up and on the site by FOSS4G.
Can't wait for the conference and look forward to seeing everyone there!