Doh i responded to your qn there not realising you also started this thread.
Didn't realise you were asking about "desktop" functionality

Yeah I think we have to wait till QGil has more time to look into this
http://forum.meego.com/showthread.php?p=23112#post23112
His latest response on it (which you mentioned) indicates it's low down the list ATM
http://forum.meego.com/showthread.php?p=25239#post25239

He mentioned investigations into this need to be done in the context of plans for MeegoCE.
Since that's the project that'll benefit from Nokia opening more parts of Harmattan's GUI.