Master's DoN armor is a good option, depending on your race. It also has an increased chance to give you a skill-up over other combines.
Cazic Thule is a hot zone now. All the lizards in the front are still light blue to me at level 70 and their blood, along with a few other minor items, can take you all the way 295. The armor made from this doesn't sell very well in the bazaar, but check out the tribute values...
4492 tribute for these