Yeah what he said. The RS system has smartphone control and also you can control the pool from any Internet browser. In addition, it also has Alexa control. So you can tell Alexa to "turn on the waterfall", or "turn on the spa lights". I mentioned PDA because some builders will try to sell you the PDA based system which is obsolete.
If you go with the RS8 system, discuss with your builder how you want to control everything. If you want the spa lights controlled separately from the pool, you need to tell him so it is wired and setup that way. The default way builders set this up is to wire them all together as one control unit. I also suggest having them set up an outlet in your pool area where you want low-voltage lights. Connect this outlet to the Aqualink power center and set up with a relay within Aqualink. This will allow you to control low voltage garden lights, pathway lights, etc. I do this on mine and use the Aqualink dusk timer to automatically turn on my garden lights at dusk and turn them off at 11pm. I also suggest have another outlet or 2 wired back to the Aqualink power center each on its own breaker. You don't necessarily have to control those lights with the Aqualink but you'll get more utility outlets to use for things like speakers, sump pumps and such and in the future you can add control via Aqualink to that outlet if you desire since they are wired into Aqualink's load center. The Aqualink power center has plenty of capacity for breakers it is a full load center.
Lastly, discuss with your builder how you want your valves (JVAs) automated. You might want granular control over water features if you have any like sheer descents or bubblers. Jandy has a module called a "SmartJVA" board which allows granular control in 5% increments over valve positioning. This is useful if you are balancing a JVA between several water features. Don't be surprised if your builder has never heard of this though.
