I followed religiously your guide, and I have chosen also VULTR, 1024Mb with 1CPU, but unfortunately it seems it's not going to be powerfull enough ...

http://devtracksys.secnodes.com/nodes/265/chals

We'll see ... but if the price if zencash continues to go up that shouldn't be a problem to upgrade the VPS. Anyway thanks for your great tutorials, learning a lot ....