Anyway, found two reports so far that are, well, absolutely stupendous for coverage and photos (and David Hewlett and David Nykl fans will just die).
[Updated 5:28PM Sat for more detail]
Stargate Atlantis fans won’t take cancellation lyling down
(contains text plus photo of fans with placards)
From Vancouver to Atlantis and back – Rally Report part 1
(lots of text, and whoa, the photos!)
Report from rally – preliminary
(text and exclusive photos on set)