For information about Gavel & Gown and their excellent software, go to http://www.amicusattorney.com/ . The Support center is well worth visiting and you can join a Users Group.
For information on Corel's products, especially Wordperfect, go to http://www.corel.com/servlet/Satellite/us/en/Content/1150905725000 . Their support area is excellent and you really should check out the Resources tab.
Go to http://www.mcafee.com/us/default.asp/ for information on McAfee's various packages, technical support, registration and more.
HP makes great products and you can research them all at http://hp.com/ . Don't forget to check out their Support area.
Check out the latest in high quality, afforable networking products from Netgear at http://www.netgear.com/ . You can register your equipment here, too.
When you think of power maintenance, control and conditioning, you can't help but think of APC. Go to http://www.apc.com/index.cfm for a searchable knowledgebase, discussion forum, live chat with a support agent and more.
Got a tiny problem with Windows? check out the articles at http://support.microsoft.com/default.aspx . 'Nuff said.
Check to see if your server is being blocked at http://mxtoolbox.com/ .
More block lists to check at http://www.mob.net/~ted/tools/rbl.php3 .