Id say that necklace needs to go! lvl 65?!? There are some nice options at the AH, some only 100g, some 3k g, depending on your wallet size. There are extensive guides on this site that you can use to gear up. I would just start running some reg 80 instances and move on to heroics once you are ready. Im not an expert, but glancing at your gear I dont know how you tanked heroic drak keep to get the key-stone ring. Start with reg 80s and work your way up.