Hello all,,Just joined this place the other day,,,any way,,Bought a 998 c-si,,and I want to get some info here,,,Will the Map create 7 with the LEI card reader writer,,download the new upgrade from Humminbird and put it in the 998 correctly?....Also I am going to get(yall tell me),,,Navtronics,,or Lakemaster,,Lake Maps,,,Have any one here loaded both brands in there unit and looked at slot 1 ..vs,,slot 2..sd cadr,,and see the difference,,Live in S.C.,,,lake maps so far I want the best yall,,,,THX,,Breeze