A friend did it at HK for a semester.
She absolutely loved it. courses are super easy because they're overseas. they're also usually pass or fail so they studied jack shit.
Every night was crazy night life, full of culture, amazing food... best of all, you never have to pay the sky rocket rents of staying in HK.
You get to meet all types of people, cool friends, meet with other cool peeps from colleges in Europe etc. Also don't forget hot hot hot HK girls!!!!!!!
You can never do that once you're out of college without shellingbig $$$. DO it!!!! Not being able to study abroad is my BIGGEST regret in college.