My plan is to send few pull requests to vcloud api, soon :) (I've fixed few issues and now in the process of testing 'em.)
Just to clarify, are you working on/using the vcloud [1] or the vcloud-director [2] APIs, or both..?
ap [1] https://github.com/jclouds/jclouds/tree/master/apis/vcloud [2] https://github.com/jclouds/jclouds-labs/tree/master/vcloud-director