Epics from easiest to hardest

[qinsteel]

I have 4 toons I play on P99, I am not a hard core player but enjoy the group banter and killing a few mobs to relax. I have a 45 Rogue, 53 Monk, 25 Shaman, and 25 Necro. I am saving all loot to buy my 45 rogue his epic since it is relatively cheap. My question is after reviewing the forum it seems I might as well forget ever getting my epic on the necro, what about the shaman and monk? How would you rate the epic availability for each class?