I installed the latest long-term support version of Ubuntu last night (14.04 LTS). Installation was a breeze, and all of my hardware was recognized out of the box. I have it set up to dual boot with Windows 8.1, and even on a UEFI system this worked fine. Here's a screenshot:
Now for the writing part - there is an unofficial beta of Scrivener available in the forums at the Literature and Latte web site (the developers of Scrivener). It doesn't have all of the extras of the latest version for Mac, but it is thoroughly usable and does all of the core things you expect from Scrivener. It installs easily in Ubuntu if you download the .deb files, here:
Literature and Latte • View topic - Linux 1.6.1.1 Beta Released
So there you have it. If you have a computer you don't mind dual booting, or an old one around that is ready to be revitalized, you can install Ubuntu and Scrivener and have a really neat writing computer, and it won't cost you a cent.

Now for the writing part - there is an unofficial beta of Scrivener available in the forums at the Literature and Latte web site (the developers of Scrivener). It doesn't have all of the extras of the latest version for Mac, but it is thoroughly usable and does all of the core things you expect from Scrivener. It installs easily in Ubuntu if you download the .deb files, here:
Literature and Latte • View topic - Linux 1.6.1.1 Beta Released
So there you have it. If you have a computer you don't mind dual booting, or an old one around that is ready to be revitalized, you can install Ubuntu and Scrivener and have a really neat writing computer, and it won't cost you a cent.