The lightning talk session went well. Hobu kept us on time and schedule, and after a succession of modest 9 volt talks Schuyler finally brought some real thunder to close it out. The audience appreciated his proposal for a distributed WMS cache, but it was his old time revival preacher delivery that made the entire session.
After this, Markus Neteler made an excellent case for users to try the new and improved GRASS 6. He asserted that they had cut the codebase by more than half, throwing out cruft while adding a new vector engine and yet more raster processing and analysis tools. The MapServer project has been unwilling to take on rewrites of such an extent, but might want to reconsider after seeing what might be gained.