I have used Wings3d, it is free, (click on the banner in the Wings3d forum and go to the downloads section. I originally got hooked when I saw Dann-o's models. (link below)

http://www.renderosity.com/mod/gallery/browse.php?username=Dann-o

The forum is rather friendly and have so far answered all my inane questions. I am still learning but improving all the time ( I think) feel free to give me an IM if you like. Jen