If you're going to be on pavement most of the time anyway and really care about puncture resistance, I'd go for something like the Schwalbe Big Ben. You'd be suprised what you can get away with on trails with slicks around 2 bar.
Second that, but in my case Schwalbe Big Apple. Don't really know what the difference is compared to the Big Ben, but pretty excellent tyre.
I've have both. Big Ben has a bit more chunky thread and I think they might be a little heavier than the Big Apples. Never had a puncture with either.
I'd really like to try the Marathon Almotions - they are supposed to be much lighter than either of the above and really low rolling resistance.
@Tijs started
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If you're going to be on pavement most of the time anyway and really care about puncture resistance, I'd go for something like the Schwalbe Big Ben. You'd be suprised what you can get away with on trails with slicks around 2 bar.