In general, if we compare Apple laptops to Window equivalent laptop. Is this computer going to be part of bigger system i am 'building'? Yes. Will i be keeping this laptop for the next 2-3 years (at least )? Yes. However, I would not expect it to be 100% flawless because it is a mass-produced product subject to the same QA/QC logistical complications that all mass-produced products are subject to. Regarding your expectations, with the price you are paying, near-flawless is a reasonable expectation IMO, and the large majority of Apple products are indeed near-flawless. Most likely, the system will be near flawless and you will be delighted with it. Most of the high-pitched clicks are only observed when the computer is under load for an extended period (and consequently the heat leads to expansion of the materials used.) I've not personally had these issues with my 2016 and I think the frequency of issues are small compared to the total number of MBPs sold, although numerous Users have indeed had issues and this new keyboard design is definitely more finicky than the generation it replaced. If you do have keyboard issues, you have a few options ranging from an exchange, to a top case replacement, to a shim kit.

Like with other computers, some defects don't show themselves for long after 2 weeks, so AppleCare or a comparable product may be worth consideration depending upon its pricing, availability, and what consumer protection laws you have (I know EU nations have stronger protection laws than we do here in the US.)

Beyond the things you would look for with any computer, such as light bleed, dead pixels, poor LCD color temp consistency, unusual fan sounds, and cosmetic defects, the only specific things I would ensure with on that model is seamless switching between the dual GPUs and correct keyboard function.

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