i find it difficult to trust any of these new ones

With the relative ease of copy pasting code to create a smart contract on the Ethereum blockchain, we're probably going to see a whole lot more of these crop up than altcoins. Shoot, even if someone creates the necessary code from scratch, it might be 300 lines of code or less. I should go buy some more ETH and HODL. With these smart contracts reproducing like bunnies, it may create a constant buy pressure.