Actually, if you conduct a search on here, you can find stuff about them pretty easily? Suffice to say you can keep them exactly like G. rosea. They also do behave a lot like Grammostola/Brachypelma species.
Here's some links:
From what I've read, the E. spec. "red" (or "fire" - to my knowledge its the same species) are the most docile ones (though small) of the genus.
I currently have an Euathlus pulcherimaklaasi sling which is skittish like hell, eats like a horse and is pretty fast. Feisty, too, though that's just because that one seems to be always hungry