Which would be a better rack adult BPs

http://www.reptilebasics.com/Iris-CB...k-p-16183.html

or

http://www.reptilebasics.com/Iris-Sw...t-p-16197.html

and i was wondering if i get a juvie bp could i keep him or her in one of these along with an adult or would it be too big or a juvie in which case i could just get dividers