It's just a matter of choices. I explain why I like it, you don't. I don't care about your opinion actually as well; I never said 350 is a pro saw, it's a matter of proper reading. (I was blunt as well
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My 345 is like new; done 200m3+ also large logs of dead oak with 18" bar.
I don't want to own any other 3 series as all of them are worn out indeed by lots of people. 2-series users are most of the time older people who understand how to handle and maintain them properly; The same as I did with my 345, that is why I love it. The rest I own is 2 series, now with a 254XP as well
You bought it cheap as it was worn out and put quite some money in it to make it proper again. I see these statements a lot here and at the end you could have bought a properly maintained one for less; I'm sure, really with a 345!
But indeed, the saw is nice and doesn't need any tuning, just put a 18" .325 on it with a rim and go for it!