People who know me know that I am a longtime BSD-fan who mainly works in Linux (Gentoo) simply for hardware support and ease of install. I do dual boot FreeBSD, but use it fairly rarely any more (which makes me sad).
Well, this may all change with FreeBSD 7.0 when it finaly comes out as it will ship with Sun's ZFS natively supported. I'll post more on this later on today since this is something I'm really excited for.