That's what we finally did. bought an electric in 2007, then a 2nd electric in 2010. We drive almost everywhere by cart, except for night and bad weather. At night, the one driving the furthest takes the car and the other the cart, usually once or twice a week. Probably only drive our car here about twice a week.
We still like the quietness of electric, but your range and worry will increase in the 3rd year of battery life. It is painful if you have to replace both carts' batteries in the same year. Finally decided that we did not want to put $600-700 batteries in a $2000 cart. If you use carts almost exclusively, and do more than just golf and go out to dinner, you will likely only get about 3 years from a set of batteries. We got 4 year on our 2nd cart last year, but really had to watch our range the last year and noticed the slow-down in mph. We live in the middle of The Villages (at the moment
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We bought a newer EFI Yahama cart and do find it quieter that the older gas models. We leave for the summer and will, as always, have both carts serviced at our house when we return in September. The gas cart will be the one we use most. Nice to have the electric 4 seater, though, when we have company. They are quieter. As the batteries age, you do have to fill them more frequently, especially in hot weather. And, if you leave for the summer, you need to get a battery minder or have your home watch people monitor, charge, fill, and drive monthly.