I'm also highly interested in this, as i own a X9S myself. It would be great if anyone could give hints on how to port ROMs for this chipset.

Edit: Someone posted a custom cwm recovery for Xiaocai X9S, can confirm that it works (w*w.android-hilfe.de/xiaocai-x9s-forum/509414-x9s-neues-smartphone-von-xiaocai-mit-mtk6582-3.html#post7027102)