My car has the air suspension; I like it a lot, and with 6.0 and above you have geo-referenced auto ride height adjustment, a Very Good Thing. But a recent loaner had the coil suspension and I was pleasantly surprised at how well it performed. So if you don't need ride height adjustment, it is a viable option.
I'd get the dual chargers. There are more places you will want to go than Superchargers will enable in the reasonable future and Tesla is implementing their destination charging program by giving away HPWC's to hotels and the like. When you're road-tripping and stop for an HPWC charge, being able to charge at 20kW means your midday charging stop is three or four hours rather than six or eight.
I'd get the dual chargers. There are more places you will want to go than Superchargers will enable in the reasonable future and Tesla is implementing their destination charging program by giving away HPWC's to hotels and the like. When you're road-tripping and stop for an HPWC charge, being able to charge at 20kW means your midday charging stop is three or four hours rather than six or eight.
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