well I am now one week into my trial of Firebird and I will confess I have changed my mind about it. Although I've had some issues with it, the overall experience has been positive. I have, however, reverted back to using IE as my default, mainly because of the compatibility issues Firebird has with .Text and several internal MSFT sites, and these just caused my annoyances. But I think I will be leaving Firebird on my laptop. Here's why:
Overall, I like it.