Twilight's great, especially if you want to do animations and videos. For example, I used a model of the Rock and Roll Hall of Fame building that's in the SketchUp Warehouse, rendered it with Twilight, and made this video. Enjoy!
[flash=480,385:1ypofy0k]http://www.youtube.com/v/3I345cW-7zM[/flash:1ypofy0k]