Keep in mind that if you use a full length insert you will not be able to achieve the extreme FOC of 24% or so. Only by using a forward insert, approximately 1/2 of the arrow length, can you keep the dynamic and static spine high enough and the arrow front-loaded enough. Frankly, I think the Easton "Jazz" solution is a great one. I just wanted a 1000 grain arrow, and could only get that much weight, front end load, and perfect flight with carbon.
RE: the gorilla glue: I roughed the inside of the shaft with a .223 brush full length, cleaned it with alcohol, then dish soap and rinsed with water. Same for the insert package. I used an insert rod, coated it with Gorilla Glue, and swabbed the entire length of the inside shaft with glue. This is to keep the insert from breaking loose and travelling backward. I coated the insert package and put it in (remember to have the inside of the shaft wet, and the insert package wet - GG cures chemically by interaction with water, not by air-drying).
Once the package was assembled, and excess glue wiped (use gloves, cloths - GG is BAD if it gets on your hands), I put the shafts point side down with the feather ends stuck inside an upside down boot for pressure. This is enough. I never had a problem with the inserts being forced out from the GG expansion. These arrows are incredibly strong. - Jay Campbell, JD