I'd argue the same goes for languages, not just tools. At home I like to spend most of my time with Lua, Scheme, and C, and only sometimes Ruby or Python. The l

I'd argue the same goes for languages, not just tools. At home I like to spend most of my time with Lua, Scheme, and C, and only sometimes Ruby or Python. The less the language does for you, the more you can focus on the concepts and forms.