I never thought I'd see the day:
Yeah, I've got a lot of crap installed...
Google has just released a beta of Google Earth for Linux. It includes a better-than-usual installer, and
appears to be WINE based (I stand corrected) uses QT3 as a graphics toolkit. From what I can tell, it's got all the features of the Windows version. It's nice to see this awesome application finally be released for Linux.