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I have the Invos, they are decent street tires, I can't think of any complaints. I mean they aren't the stickiest but they aren't really for that. I went with them because I wanted a good street tire that I didn't have to worry about in the rain and they delivered what I was wanting.
Michelin pilot super sports. One of my best investments. Paid 1200 on tire rack
I also have Michelin PSS and like them. About $1300 installed from Discount Tire. Stock sizes for 2009 base. They are non-run flat, I just bought a cheap fix-a-flat kit at Target to compensate. I have 8 track days on them this season and should get at least 2 more, which is pretty good wear. I know two other Corvette track drivers who also get 10-12 track days from them. Grip seems fine, though I don't have much experience to compare them.
I had Continental DW tires last season and only got 6 track days, and that was pushing it down to the wear markers.
Michelin PS2 run-flats before that. I wasn't tracking the car yet. Got 8000 miles with some fast driving but nothing extreme. Pilot Super Sport did not come in base 'vette sizes yet when I bought these. PS2 is now an outdated and overpriced option.
For what it's worth, Consumer Reports has Pilot Super Sport as their #2 summer tire, tied with the Pirelli PZero in overall score, and with better wear than all the other tires.