So, I'm really happy with the four snakes I have right now, but I've considered adding one final animal to the collection before I stop for awhile (hopefully!) and save up for other things like a rack, etc. Someday I do plan on adding a few more balls and/or hogs but not for awhile. I'd prefer to get at least one of something different purely as a pet. I really, really like boas but am not sure what to get. I'm looking for something that preferably doesn't get bigger than 5ft on average.

Right now I'm kind of tied between a Hogg Island Boa and a Rainbow Boa. I'm leaning towards Rainbow Boa primarily because they're absolutely gorgeous. I know they have a higher humidity requirement than some other snakes but I think I can manage that. My main concern about them is their tolerance for handling. They seem to be very shy snakes. I'd kind of like something with a placid temperament I can take out every so often and hold or show people. I know all snakes can be prone to getting stressed out but it seems like Rainbows are more shy/sensitive on that front than other boas.

Hogg Islands I like mostly because of their smaller adult size and what I've seen of their temperament. I admittedly know a little less about them than Rainbow Boas.

Am I leaving out any other possibilities that fit within the size range and attitude I'm looking for? Has anyone had experiences with these snakes and can compare?