Since most of you have an interest in 3D....you might like this unusual but fun and challenging 3D fractal program.
I'm a casual user with no interest in the company but do know it is a good company run by Garth is Aussie land with worldwide users. Regular updates with new features and the very few bugs are fixed quickly.
look here: http://xenodream.com/
look at Gallery for ideas and capabilities of outputs; also exports 3D files for use in other 3D programs
and here for user community/forum:http://tech.groups.yahoo.com/group/xenodreamers/http://tech.groups.yahoo.com/group/xenodreampix/