1) Since the New Moon 2 and Blue Moon 8 are considerably different hardware, we can't upgrade your server directly from one to the other — we'd have to move your data from the old server to the new one. Happily, we've got some pretty well-honed tools for doing that sort of thing, so I'd say the upgrade process would be pretty much seamless.
2) I couldn't say for sure without knowing exactly what the media involved is, but as long as it's legal to host it's probably fine. If you're uncertain, write in to us with details.
3/4/5) I believe all dedicated servers have 100 Mbps, unmetered. I'm not directly involved with network administration so don't quote me on that, though.
6) We have automated managed backups for all our servers, including Dedicated servers, from which we can recover data pretty quickly. If you're on a Blue Moon server, those also have a RAID 1 setup, so we can recover from a hard disk failure without any downtime at all.