If he decides to use the fatheads many of the suggested micing techniques won't be the same or in some cases work.(the xy will be a blumlein) Nothing wrong with a blumlein just something that should be noted.
They have a pair of them at that studio I've been working at. What do you want them reviewed on drums, guitar, acoustic guitar?
or just general. I can write something up and get some samples when I have a chance.