I use portable Firefox for browsing at work with a modified user-agent (pretending it’s Internet Explorer, of course!) and Google Wave keeps alerting me the browser is not supported. To bypass this annoying check, go directly to
https://wave.google.com/wave/?nouacheck. Of course, some browsers just can’t handle the storm: in my experience so far, Opera 10 fails to load Wave every time with a nasty error. - Fors: Shortcuts and searches in Google Wave.
One take-away from the section on searches is the reader tip published at Lifehacker about limiting waves to certain languages.