That 85% won't be stored onto your PS3.

The way PS3 download content from the PSN store(or in the internet for that matter) is that it is downloaded in one entire batch-file. Its identical to IE6's download manager, so if you press cancel before the download is finished the entire content downloaded thus far will go off as well. This is the same for the PS3(also another bloody reason why the PS3 takes ages to download stuff apart from our oh-so-glorious screamyx service).

You can DL demos through proxy on your PC, read the first page of this thread for details.

Can't really say which PSN is faster. Although ironically, I do always get the fastest download speed when downloading from the US PSN. The Europe PSN is the slowest for me. Japan, SG and HK are roughly the same although I didn't really test how long it takes. Of course, it will also depend on your connection during when you download. You know screamyx, can turn into a turtle any time out of the blue.

^go to 1st pg and search for

"How to install demos using PC....."

basically u d/load the installer files (.pkg) using PC and then use proxy program to install.

^i know this sounds silly, but u actually have to login to PSN and start the demo d/load. then pause it and get the link from the proxy program, and d/load using PC.

so, actually proxy program is not that useful anymore (since FW2.35 i think)

actually..it will stop if you access the online feature of the said games. If you just play offline, the download still continue in the background