A ... my initial response after looking at the chart was; why aren't you playing the second tier stocks before heading into the third, fouth or fifth tiers...? I consider something like EDV as second tiered, and should be overvalued before you stop buying it.
...as for EPM, fundamentally you (again) are buying a company that's going into mine construction, rather than mine exploration ... not as sexy. You've got the next year-and-a-half of exposing yourself to the perils of cost over-runs before they finally pore their first ounce of gold.
...avoid.