To get a good ICO then you should try to do the analysis well, yes it will take a long time and I am sure you have to fight hard for the best decision.

An ICO project indeed often offers a lot of promotion and it should be your filter so you can get the appropriate offer. What you should consider is how the management and whitepaper owned project. do not forget to look for references from others, I'm sure it will be able to make yourself the best decision.