"Starry
Messages: Searching for Signatures of Interstellar Archaeology",
FERMILAB-PUB-09-607-AD and also as astro-ph
arXiv1001.5455 is now out as a Fermilab preprint. The February,
2010 Fermilab astrophysics seminar on the subject is available at interstellar
archaeology.
The
IRAS-based search for Dyson spheres has now been published in
Astrophysical
Journal 698 2075-2086
(2009). It is available online at http://stacks.iop.org/0004-637X/698/2075.
The June, 2008 Fermilab astrophysics seminar on the subject is
available at Dyson
sphere seminar.