Why do I prefer Firefox in GNOME ?

Not because of the "hype". Just because of bug 70575 and bug 153792 that both Galeon and Epiphany suffer from. Actually it is a Gtk+ "bug".

The other is that Epiphany bookmarks stuff I didn't ask, and given the limited bookmark management, it is annoying.

But on the laptop I still stick to Epiphany because I have passwords stored in it...