been out of that particular game for a few years (3), but i lived in Tchad for a year, and i couldn't get rid of a euro unless it was with the French army guys or EU aid workers, if i tried! And then i always got screwed with rate.
dollars are taken everywhere. if they have a post 2003 series date on them, you can change them.
CAR, Tchad, Sudan, Both Congo's, Zambia, Uganda,Malawi,Zimabawe, Kenya, Cameroon, Gabon, Liberia, Nigeria, Ghana, Angola, Mosambique and Tanzania...all USD
I'd take the one that everyone takes...makes admin just so much easier. Only one exchange rate to remember.