We're selling challenge modes carries on US alliance servers. You'll get bronze, silver, and gold in 9 instances, so a title "the Undaunted," the pandaren phoenix mount, and the gold transmogrifiable armor. (Link to wowhead gold challenge achievement.)
For completing gold, you will also get a personal teleport spell to each MoP dungeon on a shared 8 hour cooldown.
You'll need about 463 ilvl, and the cost is $1000 for the full run, willing to negotiate price.
Add us on skype for more questions: liamneeson52