Here is a picture of the new LX570.
http://www.autoweek.com/apps/pbcs.dll/article?AID=/20070404/FREE/70403002/1062
The design is similar to that of the truck pictured in Autoblog a few months back http://www.autoblog.com/2006/09/13/spy-shots-toyota-land-cruiser/ that could possibly be the next Land Cruiser. So it might be that the new LX is still TLC based.
http://www.autoweek.com/apps/pbcs.dll/article?AID=/20070404/FREE/70403002/1062
The design is similar to that of the truck pictured in Autoblog a few months back http://www.autoblog.com/2006/09/13/spy-shots-toyota-land-cruiser/ that could possibly be the next Land Cruiser. So it might be that the new LX is still TLC based.