Agreed, Sending has always worked with a line or two added to the APN. What we really need is recieve. More power to ya on the mission, but I think you'd be better off to wait and see what Wistilt2 and his well hidden "radio guy" come up with before you dedicate to much time into something that may already be in the works.
What I'd really love to see if what you can do with the NAND rom. Chefs got the okay, but I haven't seen anyone produce anything truely "cooked" yet. More like a microwave where everything comes out in pieces, and the pieces are all chewy and tough instead of crisp and crunchy. Then you bite em and lose a filling... I love me.