You just have to do your research. As with any investment it is knowing the background, the company, the industry and the trends.

Spend your time researching and if you find a project you like, join a bounty with them and get to know the company.

One project I personally really like is Crowdholding, and that is because I have asked questions on their thread, seen them grow etc.

Their ICO launches today and it's going really well!

https://ico.crowdholding.com