I was in a similar dilemma between the two schools after recently getting off the wait-list too. At the end of the day there was no way to justify the type of debt load that I would receive by going to Georgetown's GPPI. Having graduated from an ivy for undergrad, I know that name alone will not get you the coveted job that you desire. I also know that most of the people on the board are using their masters not just to get the needed tools in order to help them professionally, but firmly believe that the school's name and prestige alone will magically open doors for them. Applicants need to understand that going to a competitive program, you will not only be competing with other schools but also your fellow students for all the internships and job opportunities (hence why i did not even dream about SIPA...way too big). Plus a masters is only a 2 year program. Do you really think you will get that much more information from classes and networking opportunities that will help you with your career at GPPI than CIPA?
The only downside about CIPA is its location, but because of the study abroad programs it makes it more manageable. I also believe that CIPA is currently doing a lot of the right things in order to become one of the premiere public affairs schools in the future. Personally, after heavily weighing my options, I have decided to attend Cornell's CIPA because of the great faculty, the interdisciplinary nature of the program with the other graduate schools, the flexibility of the curriculum, and most of all the personal attention that I received from current students and the program