Hi, all. New to the forums. I'm also inclined to say this is going to me an effort that might be all for not. First, frames are the foundation for your rig, but a decent frame is meaningless with sub-par components to match. When i buy these days, I make sure the geometry of the frame meets my riding needs and then i go for the highest end components I can afford. I'd rather upgrade all the components on a K-Mart Mongoose frame, than put those components (should any of them even be transferable) onto a super light, carbon frame.
Just my .02. Happy trails!