Quote: "Only difference is the interface, and only Firefox is being continued."
Common misconception. Originally, yes, they were going to discontinue Mozilla Suite and Netscape. However, Mozilla has decided to keep Mozilla Suite due to it's wide adoption in many buisnesses and Netscape is back in development using Firefox code.
Quote: "I can't really comment on Opera, Mac's Safari and Galeon. I don't even know what the last one is."
Galeon is a Gecko based web browser that is planned to be discributed with the GNOME desktop for Linux. It's esentially there only since KDE has Konqueror.