hey holman, you might want to look at the way your fonts are being rendered on linux http://i.imgur.com/wT1ue16.png

On my Linux system the rendering is just fine[1] using the infinality patches for freetype[2] and subpixel rendering.

[1]: http://i.imgur.com/22emWiZ.png

[2]: http://od-eon.com/blogs/stefan/improving-the-font-rendering-...