Your write up was one of the ones that helped me decide, so thank you. I did a lot of google searching and ended up all over the place, not just here. Most of what came up was elsewhere, mostly boa forums.
I only keep two snakes, my Mussurana and a Ball. She, my mussurana, is a really awesome snake. Rather active for a nocturnal species. At times curious and inquisitive. And an excellent feeding response! I only feed her f/. Once see picks up the scent, she'll follow that mouse across the whole enclosure or out of it. I haven't fed her a snake, but have been tempted to pick up say an african house snake to eat, probably never will though. Only draw back I see is that she's nocturnal. After I had my ball a while, I told myself my next snake would be diurnal... Oh well.