Never managed to get CF installed on MAMP(non pro) though i need to use it as my 2nd language in university as the module descriptor does not mention Ruby, ASP/ASP.net, JAVA.
Only PHP(not allowed to use classes) and CF are allowed so i have to get a CF installation working in some form or another to produce a basic admin section for my web app.
My lecturer has asked i also produce it in Ruby on Rails and Cabbit(my php framework) to demonstrate that it is possible to build web applications using frameworks that will still allow the students to show technical expertise as the other lectuers seem to be of the mind that the other languages are ether to complex, to easy, to hard to mark, not used in the industry, or write the code for the student.
So long story short, if you know how to install CF8 or 9 on MAMP non pro without it causing any damage to my PHP and Ruby installation i would be most pleased.