1. you get 2 X 1TB drives.
2. as far as im aware it does not, but the BT client will use the same protocol going through your network (more than likely IPv4)
3. Depends when manufacutered, could be WD, samsung, hitachi.
4. This depends entirely on your network topography.
5. memeo will do this and although the software that comes with the LS will only work on a 32bit OS as far as im aware you can download a 64bit win7 version from memeo's website.