We dont know yet if the etherium will be going the ICO king, Because they have so many altcoins are now that have a chance to be a ICO king. Some of them are a potential coins and for long term. We can't mention of which altcoins it is maybe we need to wait of which of them are gonna be a king ICO.
This information will not be known at all, because today everything will be tackled by immediate demand, because today many people simply do not understand how to treat tokens correctly, most of the market participants today are new guys.