for us in socal we need to add 12.8 to a figure if it is giving true reading.
our most south sat is satmex 6.
If you are going to try to get bolth K and C your better off going with a solid dish. 10' or larger is best for S2 signals you could pay thousands to get it or get it for free if you can locate a home or motel that would be more then willing to take them for free.
Use Dishpointer.com to find a good location at your home to insure you can get the full ark. In LA we are able to pull 45W-166E
As for LNB i relly dislike all in one im more for norsat lnb's and some good ones can be had for $100 or less if you hit up ebay