NetRadiant is OK, a bit unlogical maybe. Blender's usability is straight from hell IMO, and see if you can find working converters for every format you want, that don't require manual tuning before- or after-conversion.
Does HTML5 WebM actually work somewhere already? Broken pretty bad on my FF4.0b5.
Yes I was watching Web using Chrome 6 in Ubuntu with the extra codecs. Works pretty well. However Adobe has finally restarted the 64 bit flash. So I can use that again.