I use the Google Webfonts service on my website and rely heavily on it. It renders fine on most browsers, but in Chrome on Windows it renders especially bad. Very choppy and
It could just be the font your using "asap" doesn't render all that well at certain sizes. I changed the size of your h1 from 3.5em to 50px and it looks a little better. May not be the perfect solution but I have noticed that a lot of google webfonts can be unpredictable