Hey,
So I thought I could offer some insight. I am a current Syracuse undergrad senior in the IR department and have recently been accepted into Maxwell/Newhouse's Public Diplomacy (MA in IR and MS in PR in two years, great deal!). I also work at the abroad office at Syracuse.
I can tell you that Syracuse is expensive, really expensive. But just like any other private expensive university, they offer tons of internal fellowships/grants, all you have to do is search for them. For example I applied for the FLAS fellowship and am hoping to get a GAship of some sort. Funding is a huge question for me, so if I get none I am going to have to rethink somethings. Also, the cost of living in Syracuse is pretty low, I am assuming lower than Denver but I am not positive.
If you want to work in the UN I would say Syracuse is a great place to try and get your foot in the door. Off of the top of my head there are two professors that are closely tied to the UN and still do work for them on a regular basis. One worked for them for like 20 years helping to write resolutions and stuff like that and still knows ALOT of people. During the summers he takes a cohort of about 20 IR grad students to Geneva and sets them up with amazing internships with his contacts at the UN. The other grad prof that has a bunch of UN contacts is a woman who before coming to Syracuse was the Director of the UN's World Food Program in Rome for about 30 years and she also has amazing connections that she shares with students. Syracuse also has a campus in DC (the Greenberg House in Adams Morgen) where you can take classes for a semester and do an internship in the city. The program in DC is run by an amazing guy who worked for State for a number of years and knows just about everyone in DC, his rolodex is huge, trust me I've used it before haha. Fun fact, both Korbel and Pitt use our center for their DC semester program.
I know Syracuse is kind of under the radar for an IR program but it really is an awesome program with tons of support and amazing people. Plus out of all the top IR schools, who has the best basketball team?!? hahah I know you probably don't care, but SU basketball is a lot of fun.
Also, here is a list of some of the study abroad programs (off the top of my head) that a lot of the grad students do;
Geneva internship program (summer)
Cuenca and Santiago (semester, SU campus)
Global Europe (semester)
Frei University in Berlin (semester)
Beijing (semester, SU campus)
Hong Kong (semester, SU campus)
London (semester, SU campus)
Strasbourg (semester, SU campus)
Madrid (semester, SU campus)
Florence(semester, SU campus)
AU in Cairo
AU in Beirut
There are a ton more that I just can't think of.
I hope this helps a little, and please feel free to PM me if you have anymore questions.
-Mike