Whatsoever the quality of those new projects, it always depends on the popularity and the quality of the exchange holding the IEO.
I would suggest anybody willing to participate in those IEOs to check reviews about previous IEOs lunched by other exchanges (Yobit is the most known), and to take into consideration all the facts which led to create this new method of fundrising.

Take a look at this article: Initial Exchange Offering (IEO) — Pros and Cons