Saw it last night during my drive home, right after dusk. The photo you posted is precisely what I saw last evening. Very cool.
Cool photo. Wonder what my chances of seeing it here in Illinois are.
Here's the NASA/JPL (Orbit diagrams):
http://neo.jpl.nasa.gov/cgi-bin/db_shm?name=c/2006+P1
Magnitudes Graph with other data(last updated on 10 Jan 07)
it's @ -2.2 MAG on chart.
http://www.aerith.net/comet/catalog/2006P1/2006P1.html
Thank You.
TANKS,,,Great Pic...