Etherdelta can really give you a headache. But the pain might very well be worth it if one is able to pick up a good token before it hits major exchanges. I never lets my tokens stay on ED. Always takes them out to my own adress, as well as transfering them to an adress that has not been linked to ED. Feels better that way.

Keep the explorer open in another tab. Like that you can see tranfer that actually went through even if ED gave you something like a "tranactions error". Happens to me all the time.