@asti,
Thanks for the suggestion however I've previously tried generating a shortcode in the post content then cutting and pasting that into the WP Tab content area, saving it all and seeing if that would do it (pretty much what you have suggested) but it dosn't work.
What I found to work is if I leave the same shortcode in the post content area as well (having two shortcodes with the same ID essentially on the page when it loads this does work inside the tabbed content. The only problem is I have a duplicate on the page which technically I can hide/display none in CSS but it is not ideal as there is a duplicate ID in the DOM.
Is there a better solution to this? Can I insert some code/javascript somewhere in either the template or in WP Tabs plugin code to listen for the wpDiscuz shortcode?
Any help and guidance would be much appreciated. Thanks!