It seems every writer, coder or GTD aficionado has a favorite plain text editor on the Mac these days. For everyone who starts each day with a screenful of untitled TextEdit windows full of different short notes (that would describe my dear spouse, for the record) there's a TextMate guru, an Elements fan, a Scrivener loyalist. It's a golden age for the .txt file.
One of the strongest contenders in the "distraction free writing" category is Hog Bay Software's WriteRoom, which comes in both Mac and iOS flavors. The Mac version