move the amy's apple text up a little so the Apple doesn't overlap her other eyeball..
and i agree, i think the grunge just makes it look dirtier, without it would make it look more clean.
clean work, for a finished logo make a version w/out grunge. But all companies alter logos for certain purposes, i.e. advertising. It looks really catchy with the grunge.. definetely provide both versions to your client.