Salarus
Dalayan Master
Loot on the lower ones could probably use a look at. But more so the droppables out of Ikisith probably need a looking at >_<.
This, a thousand times. I've been selling iksith loot that is easily t4-5, and with everyone killing these zones, there are many of these items and the prices are being driven down (i'm looking at you BQ.)
Honestly, I like the idea that I can farm almost as much money in a good BQ group with some friends as I could just duoing by myself - so maybe it would be a good idea to simply put the vendor prices high up.
In terms of adepts, I used to love killing these. I recnetly rolled an alt simply to finally get around to killing nalia since she wasn't in the game when I was hitting every adept on the way to 65. I do, however, think the loot should be looked at for the pre 55 adepts. While some choice pices are nice, I really think adept loot should be well above the tier of the adept as a little bonus for finding one up, or locking to kill it. Most of these items will still be lackluster at level 65 anyways, but they would definatly help in the leveling process.