Don't blame you on the Armatus, I would like to try them again, but after they all die again I bet I'll love my Franky and Brassy even more...... lol
If you change your mind on the Dorado let me know, I'd give him to you for nothing and can probably get him to Chicago or Lacrosse myself, further if I meet someone traveling your way. Only issue I've had with them has been another Dorado. Was fine with smaller Brycon, similar sized Balas and smaller rays.....
If not, no biggie, just thought I'd offer, best addition I've ever had to a ray tank is movement.......