If you can wait until june, go to the Doncaster show. There will be lots of tempting snakes there. Make sure you have a suitable set up ready first. Many snakes have similar requirements at least for a short while.
I recommend russian ratsnakes for what its worth.
Draco dormiens nunquam titillandus
“... there is no shame in not knowing. The problem arises when irrational thought and attendant behavior fill the vacuum left by ignorance.”