I have been quite happy with OS X, even if it lacks some of the command line tools I would like to use for getting things done. After installing some additional tools like Aquamacs, the OS X is more than adequate desktop system for an internet marketing consultant. In addition, using a Mac laptop is probably something that my clients expect from a marketing consultant.
At home, I'm mostly using OpenSUSE on my main desktop. This box is probably about 6-7 years old. A year or two ago I upgraded it with a new memory chip. 1 GB seems to be more than enough for my needs.
A week ago I decided to wipe out the Zenwalk from the harddrive of my old eVectra box. I installed Debian stable on it, and now the venerable 1 GHz box serves my as a development server running Wordpress and some other content management systems. It is a lot more convenient to develop small web sites using a dedicated development server than to hack the site either on my desktop or
In the autumn, I hope to be able to finish my studies of economics and finance. Even if the degree is probably not very useful for my current career, one never knows what the my future will be like.
In any case, I want to be ready for as many different possible futures as possible.