Just diligently downloaded the beta 2 of Firefox (Mac OS X). Yes, yes I know…. but I am this way. I test betas of Firefox, CrossoverOffice, WordPress and others. And I do give feedback to these projects. Probably one of the banes of a tester! But I think it’s a little like voting. If you don’t vote, then don’t 
complain about the government. Same here. Take the chance and mould the product to what you want (especially what quality is concerned).
What is amasing though is the quick and professional responses that you get most of the time. Although these are mostly Open Source products they still have a LOT of professionalism going for them. Something I can’t really say for a lot of products that cost several arms & legs. But I’m getting off-topic….
Firefox 3.1… what can I say…. FAST, very FAST, did I mention FAST? The other things Firefox 3.1 brings are mostly of secondary interest to me. Since I use GMail, Google Calendar and other online programs I do depend on the speed of Java Script and the rendering. This version does wonders for that. I’ll keep the memory footprint in the corner of my eye though….
So if yer feel’n a li’ll adventeris taday try ye on fir size. 
[Update] Looks like the Better GMail plug-in doesn’t quite work correctly. It doesn’t allow to send email.