I admit that I didn't "get" the inbox concept at first and removed it. Now, however, I really enjoy the fact that I can import new files, fix their tags (I still fix them externally with custom discogs and musicbrainz scripts on MP3Tag) and automatically transfer them to my external HDD all in one setting.
Here's my organization rule as of this moment (I'm not finished with it yet):
$If($Or(<Genre>="Alternative",<Genre>="Rock"),"Alternative and Rock",$If($Or(<Genre>="Anime",<Genre>="Game"),"Soundtrack - "<Genre>,$If(<Genre>="New Wave","80s, New Wave, and Synthpop",$If($Or(<Genre>="House",<Genre>="Acid Jazz"),Dance,$If($Or(<Genre>="Gothic",<Genre>="Post-Punk"),"Gothic or Post-Punk",$If(<Genre>="Rap","Hip Hop",$If(<Genre>="Jungle","Drum & Bass",<Genre>)))))))\$If(<Album Artist>="Various Artists","VA - "<Album>,<Album Artist>)\$If(<Album Artist>="Various Artists",<Track#>". "<Artist>" - "<Title>,$IsNull(<DateCustom>,"("<Year (yyyy)>") "<Album>,"("<Year (yyyy)>.<DateCustom>") "<Album>))\$If(<Album Artist>="Various Artists",,<Track#>". "<Title>)