I am considering buying Get Satisfaction for my company, but I really need to integrate to WordPress. Is this plugin active and working? Will it be supported?

https://www.ads-software.com/extend/plugins/get-satisfaction-for-wordpress/

I have a fresh installation of WordPress 3.0.1, with PEAR Version: 1.9.1, PHP Version: 5.2.14, and Zend Engine Version: 2.2.0

I have installed ‘HTTP_Request-1.4.4’ and ‘XML_Feed_Parser-1.0.3’

Per the readme – The files ‘topic-comments.php’ and ‘topic.php’ were copied from the plugin’s ‘theme’ directory to my current themes root directory

When I attempt to activate the ‘Get Satisfaction’ plugin I get the following error:
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Plugin could not be activated because it triggered a fatal error.

Warning: require_once(HTTP/Request.php) [function.require-once]: failed to open stream: No such file or directory in /home/mikemancuso/portcitynerds.com/mhs/wp-content/plugins/get-satisfaction-for-wordpress/classes/HTTP_Request_Oauth.php on line 3

Fatal error: require_once() [function.require]: Failed opening required ‘HTTP/Request.php’ (include_path=’.:/usr/local/lib/php:/usr/local/php5/lib/pear’) in /home/mikemancuso/portcitynerds.com/mhs/wp-content/plugins/get-satisfaction-for-wordpress/classes/HTTP_Request_Oauth.php on line 3
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I wish that this was a user error or an isolated incident – their thread on the subject can be located at (https://gsfn.us/t/18ph9)

Plugin could not be activated because it triggered a fatal error.

Warning: require_once(HTTP/Request.php) [function.require-once]: failed to open stream: No such file or directory in /var/www/vhosts/watchmanmonitoring.com/httpdocs/wp-content/plugins/get-satisfaction-for-wordpress/classes/HTTP_Request_Oauth.php on line 3

When activating the plug-in, a fatal error occurs stating that the HTTP/Request.php file is missing. There is a require_once in the HTTP_Request_OAuth.php file that is pointing to a missing or non-existent file. There is no mention of where this missing file should be located other than this line.

I am trying to get the API key as per instructions, but your site wants me to registe rthe application, which requires a callback url.
I do not know what this url is as it is not mentioned anywhere, and I am also developing this locally so no url will be reachable anyway.

https://www.ads-software.com/extend/plugins/get-satisfaction-for-wordpress/