If you want to pay more and increase your work load then go for the Golf Cart bats. It's your money and time. We have used UniSolar 32 Watt panels due to their low cost and ease of handling. One or two will easily keep 6 to 10 batteries charged under that usage. Just like batteries, more can be better since more panels give you faster recharge times.
More panels also costs more.
64 Watt panels are less than 2 - 32 Watt panels and take up less space. We have found the best price and service for these items to be from Northern Arizona Wind and Sun. One of the most important parts of the sytem is the Inverter which turns the DC battery power into AC household current. This is a really good deal. We have one of these ourselves.