Hello Everyone and welcome to the Guitar Heads Site and the Guitar Heads Forums.
Currently due to some software compatibility you have to register twice if you want to use both the regular site features.
eg: Comments to the site etc. and posting to the Forum.
You can register for the main site here: www.guitarheads.org/go/Guitarheads/index.cfm
To register for the Forums please register here: www.guitarheads.org/go/Guitarheads/forums/ and click on the "register" icon in the main section under the word Forums
Thanks and enjoy the site!