Please see my email response to you about a particular property of interest to you.
It sounds like you are indifferent at some level to living in Irvine vs not living in Irvine (definitely NOT the case for some buyers, especially out-of-country buyers).
If this is so, and you are indifferent, then you will probably find that you get "more house/lot for the buck" in Coto.
The last time I did a comprehensive analysis from Tustin to San Clemente for a relocating CEO working in the Spectrum area, we found this to be so, and he ended up buying a home in a double-gated (i.e. gated neighborhood within Coto de Caza, which is, as you know, gated, too.) Their entire family loves it (once the CEO got over a response from one of his senior employees to the effect that living in Coto is like living on "Knob Hill" :-)).
If you have older children in your family, they will likely enjoy the "network" in Coto that revolves around the club.
You'll need to "taste it" to see if it suits you.