I doubt you'll be able to get them "raw and unassembled"
True... you can get separate power rails... thats all i can see... but then if you have enough money 
you can buy anything you want like you want it...
I doubt you'll be able to get them "raw and unassembled"
True... you can get separate power rails... thats all i can see... but then if you have enough money you can buy anything you want like you want it...