Free Software
Google Sketch-Up, the link for a superb 3D graphics program.
Found some super tutorials on YouTube that accompany the book Sketchup for Dummies by Aiden Chopra. They're listed according to the correct chapter on his site.
GIMP, image manipulation.
KompoZer, Web site design.
Other
Retirement Can Be Fun! How to live like royalty on Social Insecurity (like me).
