I am mining XCN. I think the coin is probably temporary, definitely over-priced, but the tech is good.
I am starting to look at VIA because I hear it will be a treechain testbed, and because it intends to serve as a 2.0 platform with PoW.
Viacoin hires Peter Todd as Scientific Advisor
https://twitter.com/viacoin/status/494874526753513473?refsrc=email