So i am a proud owner of a Mamiya 645 super, 55 2.8, 80 2.8, 150 4(all glass is flawless), metered prism, and power winder-all for $300. I bought a cable release off ebay-$61 after shipping, an extra back and medium length auto extension tube off of KEH-$70, and some extra inserts from a local store. What i want to know is how did i do, and what else do i need, or maybe look into getting later down the road.