Well, there are many sources of info about ICO.

Here are some i can suggest:

ICOBench: https://icobench.com/

TrackICO: https://www.trackico.io/

ICODrops: https://icodrops.com/

ICO Telegraph group: https://t.me/Ico_telegraph_eng

Top7ICO Channel: https://t.me/top7ico

These are somo good places where you can find some material for making your research. Always keep in mind that the more information you get, the better it is...

Also this forum is a good place to find information and to talk about any project you like.

You can look for some trustable influencers like The Court. You can see his reviews spreadsheet at https://docs.google.com/spreadsheets/d/1fhcTARkcktbagokKCwu_tdVHBYWj_wFIh90qo0ek1vE/edit#gid=0

After choosing the best ICO's, i suggest you to on first moment join their telegram group and watch the activity, what the investors are saying and how efficient their support is...