I just ordered the "B-Pillar Gaskets" for my '01.
Found this Cyanoacrylate as a substitute for the Loctite 480: Bob Smith Industries IC-2000 Black Rubber Toughened CA
Confirmation today from BSI: "Yes, the IC-2000 can be used as a substitute for the 480."
Found a terrific PDF with moment-by-moment DIY documentation on a 997 Cab: http://www.renntech.org/forums/topic/22332-cabrio-rear-window-seals/
In an older thread: http://www.renntech.org/forums/topic/22332-cabrio-rear-window-seals/