PS+ PS4 2018: A- (much better than expected and even some PSVR games)
PS+ PS3 2018: C (PS3 had much better years and there are still a lot of great PS3 classics missing in the Instant Gaming Collection, f.e. the Resistance games)
PS+ Vita 2018: C (Vita had much better years and there are still a few great Vita + PSP classics missing in the Instant Gaming Collection

PS+ overall 2018: B+