Apparently, it's been moved over to http://portableapps.com/apps/internet/firefox_portable]PortableApps.com (which does make a certain amount of sense). The current stable version is 3.5.5 - there's also a 3.6 Beta 3 available, so be careful which one you download.
("But what's so bad about using unsupported software?" asks the guy still running Windows 2000.)
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."
- Michael Ignatieff, addressing Stanford University in 2012
("But what's so bad about using unsupported software?" asks the guy still running Windows 2000.)
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."
- Michael Ignatieff, addressing Stanford University in 2012