I have started a set of tutorials that may be what you are looking for.
I don't mean to compete with the main effort, cited in earlier posts in this thread, but I hope the Arduino phenomenon is big enough to warrant more than one "answer".
See what you think?....
Pascal Programming Tutorials- PLTut
Tom
Tom, nice job on the tutorials. You may want to reword the title a little so it doesn't look like its about programming the arduino using Pascal. For a brief moment I had visions of using my much loved Delphi to create arduino sketches ;).
Perhaps call it: Pascal and Arduino C Programming Tutorials