> the time I invest into my tools have made my experience of sitting down in front of a computer incredibly enjoyable

I've found that too, asnd it helps me be productive. I run MediaWiki on my PC as my internal documentation system. I used to use it with the default skin, which looks a bit meh, but I recently added my own skin, which looks a lot nicer. I found that every time I looked at the wiki after that, I got a little hit of joy from looking at a nicely-skinned page.