I finally decided to write a tutorial. This one’s on using Blender with Radiance (another free raytracer not talked about around here too much). Included are three export scripts (two for 2.23, one for 2.25). Any crit’s are appreciated. Also, please post if you get it working. 
http://mywebpages.comcast.net/rayae1/tutorial.htm
thanks alot ray! i’ll have to get into it when i can get some time but it looks very promising. can’t wait
man, you GOTTA work on your color-matching skills…i mean, light blue on purple??? anyway, great tutorial, I’ll get rendering as soon as I finish eating my breakfast it’s just what I’ve been looking for