You wont go wrong with them. I am on my 2nd set of them. Rolling resistance is good, feel and grip in the wet is good to, very confidence inspiring.
I did that ride at the weekend and had no punctures at all, the chap I was riding with has a Rubino Pro on the front and Michellin Pro Race 3 on the back and got 3 punctures in his rear tyre. Plenty of other people flatting left right and centre and I never had a problem. I dont know what the milleage is over the two sets, but I did the whole of 2008, 2009 and all of my training so far this year on them and I've only had two punctures, which is why I bought another set and I like the chavvy yellow dust caps on the continental tubes to