The chance of getting personal loot in Raid Finder and the chance of a successful bonus roll in Raid Finder have been greatly increased for the following raids, Mogu'shan Vaults, Heart of Fear, and Terrace of Endless Spring.
I don't know if I have the worse luck, or what, but I don't see this change at all. I have run Terrace of Endless Spring 3 or 4 times this week already. On my first go around I used coins, along with my first rolls. 2nd, 3rd and 4th times I have used coins.
Specifically I have been using my coins on Sha of Fear, with the hope that

- Bag of Gold
Bag of Gold
Bag of Gold
Bag of Gold
I have run Terrace at least twice a week, if not more, since it came out...and I have NEVER had that piece drop. Now with the "increased chance" and using coins...still nothing.
Makes me wanna cry.
Yes, this is a QQ thread. Flame on.