Pentair Automation Question for small size Pool/Spa Combo

Hello,
We are planning to automate our pool and have some questions:
Our pool/spa size is about 8,000-9,000 gallons.
We have a Pentair Intelliflo VS pump (about 7 years old)
Raypak Pool Heater
Pentair Intellibrite pool light and intellibrite spa light
Pool Pilot Digital Nano + Auto Pilot Salt Chlorine Generator (this is a 7-year old unit)
We live in Florida

1: Should we get the Pentair Easytouch PLS4 with Screenlogic + Intellichor Salt? or
2: Pentair Regular Easytouch 4 with Intellichor IC...

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