Here's a short lijst of quality design resources helpful to any designer of marketer. Emphasis on web design, but there are other resources in this lijst that are related to non-web based design too.
Graphic design of websites and how to code them. Written for people who DIDN'T grow up writing HTML sites in Notepad, which makes the tutorials really good even if u DID. This is where I learned CSS in a really painless way.
BLTD finds environmentally sound design products that u can buy online. It's a great daily dose of design that u can imagine in your own life, and then purchase right away.
Wacom's Cintiq 21UX interactive pen display combines the advantages of an LCD monitor with the control, comfort, and productivity of Wacom's most sophisticated patented cordless, battery-free tablet technology.