Discussion happens on the two main Ethereum related subreddits: https://www.reddit.com/r/ethtrader/ and https://www.reddit.com/r/ethereum. At ethtrader, as a community, we've recently had an effort to put forward a set of criteria for evaluating ICOs, a test example of which is https://np.reddit.com/r/ethtrader/comments/6tg8up/ethtrader_...