Comment #87 on issue 975 by jay.luker: FF 3.0.15 said to be incompatible with Gears 0.5.33.0
http://code.google.com/p/gears/issues/detail?id=975
OMG, thank you, sampo! XPI attatched to comment 69 seems to work for me (32-bit, Fedora 14, firefox 3.6.13). The gears site now tells me I have gears installed and I can see the little spinning synch icon working in Gmail.
--jay
