Cambo (one of blender's main script developers) is helping improve the blender map exporter originally posted in the GarageGames forums. He's fixing it for better compatibility with GtkRadiant and plans are to add better geometry support. Check the info and some screenshots here:
http://blenderartists.org/forum/showthr ... 913&page=3
So this would represent another free alternative for ppl who are already familiar with blender to create levels but want the lightmaps gtkradiant and the bsp format offer
![Wink :wink:](./images/smilies/icon_wink.gif)