Westview has very good visuals, nice writing with unique humour (one of the few games I can recommend for humour alone), and one of the best girl casts. And my favourite portrayal of a virgin in any AVN in Leslie. When it's criticized, it's usually for the absence of a main plot, and it does really have that problem, especially on the Music path. However, to me its advantages far outweigh its flaws.
Strangers on Paper is a curious case for me. I don't like its plot, I'm not a fan of its LIs, the visuals, while good, have some overdone lighting, its MC isn't remarkable in any way, it only has one sex scene so far… But its writing is so goddamn good, I still haven't dropped this game

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Westview is #10 on my rating, and SoP is #54 (out of 91; even lower than several games I dropped).