free web templates and stuff:

Layout Gala!
40 CSS layouts based on the exact same ultra-basic HTML markup.

Open Source Web Design
Public domain web designs to use however you want

free icons

design inspiration:

CSS Zen Garden
Fancy pants CSS designs, all using the exact same basic HTML

StyleGala – Gallery
An archive of nice web designs.

design meltdown nice collection of multitude of design strategies

designing for how human brains work

tools:

InkNoise layout-o-matic
Generate a custom CSS layout with a live preview.

Firamatic
Create a custom 2 or 3 column layout by filling out a web form

CSS Creator
Create a layout with a live CSS editor.

Color Scheme Generator – nice demostration with a color wheel

Color Scheme Tool – color schemes using a color bar

other

Helvetica vs Arial – fight the good fight