I'm in the same boat, but I conceded to the reality, that artists have enough options to choose from writers who can commission them, or are as talented as DaiKage, who can draw, write and know his subject deeply enough that if you didn't know he lives in Europe, you'd believe he a Japanese guy, who's just really good in English.
What you're looking for is a Death Note style deal, where both participants are writers, though the illustrator doesn't have the patience to actually write them down. I won't lie, that's even a rarity in Japan.