Yes, V70s get good reviews, and they are also on my list. I'm interested in the ZZRs as they are a new tyre, compared to most R tyres which are getting a little long in the tooth now. This year it is the control tyre for the various Lotus championships and is already seconds per lap quicker than the previous control tyre the Yokohama A048.
I've used Michelin Pilot Sport Cups, R888s and A048s so far, though none on the M yet. I also used Hankook RS2 and although it was dirt cheap, and very good in the dry it was diabolical in the wet.
And yes the ZZR isn't made in anything bigger than an 18