1) Deluge, Transmission, Azureus etc.
2) Yes, you can install it using ports system. I prefer evince though.
3) There is VLC port for FreeBSD. And also xine, mplayer etc.
4) Amarok? (sorry, I'm not sure about this)
5) Yes you can use thunderbird. Also you could try claws-mail.
6) Installation of OO.org via ports can be a real nightmare. But you can use
this package collection
7) Again yes. But you'd have to use at least linux_base-fc6 emulation port, instead of the default linux_base-fc4
8) Ops ))) (I don't know I mean)