A few main points I always have for newbies:
The handbook is your friend.
Learn to love the ports system; it is extremely powerful and versatile. You can do:
Code:
cd /usr/ports/x11/xorg
make install clean
and wait for it to compile (the upside is that you can specify your own make options and have an optimized build, the downside is the waiting), or you can just install a pre-compiled binary via:
Easy!