Several D6 products are free to download. I just got a copy of the Star Wars D6 book, and it looks pretty darn cool.
Here are some other links:
Webhead123's review of Star Wars D6:
http://www.youtube.com/watch?v=BWN0GljQ9i0
http://www.youtube.com/watch?v=IDgWzwfX ... re=related
Open D6 Resurrection:
http://www.youtube.com/watch?v=Ary1FwQDcJc
http://www.youtube.com/watch?v=iScxsD4Zwzs
D6 Fantasy:
http://www.rpgnow.com/product_info.php? ... _0_0_10020
D6 Space:
http://www.rpgnow.com/product_info.php? ... _0_0_10020
D6 Adventure:
http://www.rpgnow.com/product_info.php? ... _0_0_10020