I really doubt that my hunter will ever see the inside of Karazhan. She’s basically a duo character and spends her time grouped with Jaimie’s Diannia. BigRedKitty’s Gear Up for Karazhan post is a nice list of gear that I’ll have to look into getting for her. What I like about this list is that it’s non-instance gear.
Who knows, someday some Kara group may need DPS instead of a tank or a healer. 
Working my way down BRK’s list
Then there’s his list for pre-heroic hunters. I need to get a bunch of the enchants, given that my hunter is my enchanter.