Firebird is about to reach version 0.7 and it is now possible to try out the new version in advance.

texturizer.net/firebird

The Firebird ver. 0.7 is using the same sourcecode as the Mozilla 1.5 (which has reached release candidate 2) along with its own Firebird specific source code.

Download Link for Win32/Linux build

Download Win32 Build with installer