1. Unfortunately drive spindown doesn't work. We tried very hard to get it to work, but we were unsuccessful.
2. You are most likely seeing the media server through your xbox
3. Don't allow anonymous for web access, and try to aviod using FTP, it's an antiquated and insecure protocol
4. For warranty replacements, you have to send the defective product back to Buffalo. We take steps to ensure that personal information is destroyed, but ultimately we cannot GUARENTEE that the sanctity of the data will be preserved. Opening the case will void the warranty.
5. XBox 360 is not a DLNA compliant device. it works at all because the LS uses TwonkyMedia server. You can access the settings of this by http://<linkstation IP>:9050