I suffer from lots of disorganization and procrastination (among other things). I liked how this article described the problem of procrastination. It had my name written all over it.
The Problem of Procrastination article

I found it interesting to read of the "lure of comfort tasks."
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Meanwhile, the attractiveness of the non-urgent, non-priority comfort tasks still lure the procrastinator to do them. The result is that the procrastinator becomes subject to the tyranny of the urgent, is unable to establish proper priorities, and constantly seeks reprieve from these stresses by attending to tasks that are neither urgent nor priority!

</div></font></blockquote><font class="post">That is so me. I can have many, many important things that need to be accomplished and get nowhere on them, but instead will "waste" time doing tasks that are not critical and can truly be put off ("comfort tasks"). Meanwhile, important stuff goes undone. I have never understood that and get very frustrated with myself over that.

I also found it illuminating to read of possible psychological problems that may underlie procrastination/disorganization. I was thinking ADHD might be the prime culprit, but what this article says meshes with what the PNP I started seeing recently had to say:
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Procrastination may also be an indicator of a more serious physical or psychological problem that would respond positively to treatment. Often, such procrastination is not observed by the one procrastinating, but by others close to that person. Extreme anxiety, severe clinical depression, obsessive compulsive disorder, attention deficit disorder with or without hyperactivity, and illnesses that are related to memory loss are examples of such dysfunctions that may lead to procrastination.

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Maybe this article will be useful to others...