exactly. it's the cheapest content distribution method on the planet. even amazon s3 supports it. i think a service utilizing this is totally justified
the free part will be totally useless. we've seen so many sites trying to do this for free. none of them work. imageshack closed it down, put.io didn't even try, torrific is so slow, you can write data faster by hand
Here's the most famous Halide in Turkey: http://en.wikipedia.org/wiki/Halide_Edip_Ad%C4%B1var