More confusion re solar quotes Micro vs String

We have two additional quotes that further add to our confusion another installer give us 2 quotes for a slightly smaller 2.7 / 2.5 KW system (vs the 3.5KW others were quoting).

Quote 4 was 8 Jinko (Cheeta) 315W panels and Enphase !Q7 micro-inverters and metering for $4466 (with STC of $1312 included)
Quote 5 was 8 LG Neon 2340W panels and Enphase iQ7 micro-inverters and metering for $5,602 (with STC of $1312 included)

Is it worth the additional $1,200 to go with LG panels vs Jinko - or should we go with our other quotes for Longi Perc half cut panels (35W) with a slightly larger capaicty and better STC rebate???

There is no shading of the roof area where these will be installed so a String inverter should work just as well but the company providing our 4& 5 quotes only uses Enphase micros. Enphase seem to be good quality. (Our other quotes were based on Fronius or Good We string inverters).

Is there any benefit in the monitoriing output (eg is any one of these 3 monitoring systems easy to read?).

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