Q u o t e: Haven't replyed back since I had hope for a Blue to answer but they don't seem to care about bandwidth... unless of course they don't read here that much now and prefer the new forums where many Diablo fans won't have acces before next week.
I wonder how Green are Battle.net data centers?
Anyway, I kept it and will copy files with same name. Anyway, if the CRC does not match, they will be updated.
Eaxctly, you want to keep them so you aren't a part of the out crowd when all the servers go up and the updates of the same thing are going out to everyone.