I saw one with cruise control was sold to a member in California. We own a 4 speed stage 1 QQ with power windows. Look in the GSX Registry: http://www.buickgsx.com/
Dave K. in WA state (WE1) owns one of those. http://www.v8buick.com/index.php?threads/rear-sholder-belts.175226/page-4#post-1425297