Masternodes were a terrible idea. Sure, the shilling they encourage leads to more ETH in the contract, but a constant div stream is what you want, and an MN system just ruins that unless you are an exceptional spammer.
POOH vs EtherStocks is an easy one. POOH will always come in at Number 2.
RE: POOH vs EtherStocks... This will be the Best Buy of the Day!