The htpc/media center forum section is better for this. Moving you.
1. Yep.
2. Not if you want menus and such. You might be able to just play evo files if you have a h264 or vc-1 codec but I would use PowerDVD.
4. Don't know.
5. http://www.cyberlink.com/english/support/bdhd_support/system_requirement.jsp