Looking for a tour to southern China, except Guiling and Hong Kong.

At the present time, I am looking for a tour of southern China. The emphasis for this tour would be Guangzhou and the provinces in the south. I have been to Guilin and to Hong Kong so these would not be part of the tour. Macao could be part of the tour though. Please advise me of tourist areas that would be of interest and the prices for a tour package.
Are there any such tours? I would like to travel on China Southern or China Eastern Airlines.