I've studied the data from desert knowledge carefully and unfortunately
its not all apples vs apples.
Different configs end up in the sweet spot for the inverter and others simply dont.
hence although a panel may appear to perform well unless you can match it to the rest of the system
you may have a problem.
Take for example the myriad of 27-29VMP panels -in a 1.5KW system they are lucky to turn some inverters on as they run at 175-200V -pretty poor for a transformerless inverter designed to run (peak efficiency) at 360V
But for 13 panels they run sweet 330-377V.
Likewise the 44VMP 250W panels for 1.5KW they are good at 240-264 but at 2kw your looking at almost 500Voc and typically the cheap inverters these panels are mated with dont like it and prefer to be two strings of 4 making a terrible combo again.
One might work a treat in QLD but be a disaster in Melbourne
Hence its not just about the panel but the system size and location too.
I heard the other day of some cheapie 1.5KW inverters tripping out "PV overload" where an SMA SB1100 you can safely connect 10KW of panels to and it will run happily at 1.1KW all day.
Photon magazine found the REC panels to be their 2nd best and amazingly the cheapie inverter to come up trumps against the big brands, guess they haven't seen the piles of broken ones around in every big installers warehouses.
In short i've read reviews either way so do your homework carefully, in the end all comes down to who is supporting the warranty. and having a good combo not just good components
8E + 8W + 8Nth Garage CMS2000-1 with ~4500W in 3 strings of 8.
Fronius Galvo 3.0 inverter with ~6.6kW panels
12x ZNShine + 12x 180W Solarfuns both NW + ZNShine 12x190 facing SE.
Edwards Solar Hot water
Luck Favours the well prepared.