Here are some more dofollow forums http://www.webmaster-elements.com/dofollow-lists/dofollow-forums.htm
Yes I noticed it is gone too. There still is a cached copy on google but if you check it out many of the links go back a year or more so I am sure many of the links have fixed the problem by going over to nofollow.
I find this link (http://getinternetmarketingstrategies.com/2008/11/do-follow-forums/) from the url you provided much helpful that what the thread starter has provided.
Dude rapid share link giving error. see below Error This file is neither allocated to a Premium Account, or a Collector's Account, and can therefore only be downloaded 10 times. This limit is reached. To download this file, the uploader either needs to transfer this file into his/her Collector's Account, or upload the file again. The file can later be moved to a Collector's Account. The uploader just needs to click the delete link of the file to get further information.