Well, if I were to use that hypothetical $1000 to help others, I think there would be more efficient ways to use them than donating RPis... my question was tryi

Well, if I were to use that hypothetical $1000 to help others, I think there would be more efficient ways to use them than donating RPis... my question was trying to point to technological discussion! But thanks for the suggestion nonetheless :P In the mean time, I found out about Beowulf clusters, highly interesting!