So you need to learn AutoCAD [1] right?

CADalog [2]
A great online CAD community. CADalog has it all. Free Downloads (blocks and programs), forums, CAD news, and more. This site has a huge collection of shareware files for you to check out.

CADALYST MAGAZINE ON-LINE [3]
One of the premiere magazines for the CAD professional. Dealing mostly with AutoCAD, but including reviews of other CAD systems, hardware, etc. Also, you can download Lisp routines and other programs to make your job that much easier.

AutoCAD Links [4]
Alan Woodsridge has compiled a GREAT list of tutorial sites. It is well worth checking out, current and complete. You can check out his home page here.

Ten Links [5]
Billed as the "Ultimate CAD Directory, TenLinks provides the CAD users with a great portal full of information with everything from jobs to reviews tutorials and more. Covers the CAD, CAM and CAE branches of our profession..

3D Links [6]
If you need anything 3D - this is the site for you. A great collection of links to everything 3D related.

CAD Talent [7]
Find a job, or find an employee. This is a great resource for the CAD world. Check out their other sections like the forum.

CAD Wire [8]
If you want the latest in CAD news, applications, plug-ins and well, everything else - CADwire.net is a great to place go.

CAD Corner [9]
You can find all kinds of free stuff on here. Feel free to download any of the LISP routines, CAD blocks, CAD details or text styles. They're all free for you.

3D CADtips [10]
This site provides a wide range of valuable tips on 3D CAD, CAM and CAE and to bring all 3D CAD tips on the web under one roof - well organized!

CADopolis [11]

CAD Tutor [12]
CADTutor.net has been offering some great tutorials for years. Check out the site, complete with a forum. Also offer tutorials for other programs.

CAD BLOCK EXCHANGE [13]
A well organized site containing a variety of download-able CAD blocks - 2D and 3D - great! Also check out their tutorials page.

CAD Panel [14]
This site a large number of tutorials (including a lot regarding customization) and some free AutoLISP routines. - Check 'em out!

Also, if you are having trouble opening dwg's with your old version of AutoCAD (like 2002, 2004, etc..) you can use the FREE DWG Gateway [15] program to open any DWG file without paying several thousand to upgrade to the newest version of AutoCAD!