http://www.railsforum.com/
1. Firefox - 65.33%
2. Safari - 16.56%
3. IE - 7.84%
7.0 - 46.53%
8.0 - 28.97%
6.0 - 23.69%
4. Chrome - 5.42%
5. Mozilla - 2.36%
6. Opera - 2.06%