The Steinberg Knowledge Base
http://www.steinberg.net/286_1.html
The alt.music.midi newsgroup FAQ has plenty of background
on midi. Also recording midi to wav in non-Cubase ways.
/home.sc.rr.com/cosmogony/ammfaq.html
Steinberg's Cubase site
www.cubase.net
Steinberg's FTP for downloading updates
ftp.steinberg.net
ProRec has lots of information and advice on recording - digital and otherwise. Check out the Archives section.
www.prorec.com
A site with lots of advice on setting up a computer
for music
www.pcaudiolabs.com/
A page about setting Windows up for various purposes,
including music
www.fbinternet.org/
Auxbuss Publications - Cubase SX Complete.
www.auxbuss.com/index.php