Ricki, thank you for your inputs, I respect and appreciate your thoughts on the tyre. I really enjoyed using the M7RR but there was one quirk which has held me back in going for a second set - I often felt that on low speed turns the front tyre wasn’t very linear to tip-in. It would fall-in from mid-lean to say 3/4 lean in a non-progressive manner. Somewhat abrupt and even disconcerting at times. But this was only on slow speed corners. On a flowing road the M7RR is gold.
It seems to me that the front tyre has a peaky profile which leads to less-than-linear turn-in on slow speed turns. I could be overly sensitive to this, perhaps! Since then I have changed my suspension set-up and tuned it to my liking so maybe a second stint on the M7RR is required to clear this little gremlin in the mind!
My thoughts on the M7 were the same as yours when I tried them on my '08 GSXR 1000. Really nice at corners with some speed, too easy to drop in the slow stuff. I couldn't quite eliminate that, even after fiddling with the geometry.
I teach motorcycle safety classes where we have to make slow, tight turns in parking lots, or tight hairpin turns on a go-cart track. Add a passenger on the cart track and tires with a somewhat peaky profile make it even harder to modulate tip-in and lean angle at lower speeds.
I ran the various versions of Pirelli's street/track tire (used to be a partner in a track group) for all of my riding for about a decade.
After getting out of all the track stuff, I decided to try something other than my beloved Rosso Corsas. Awesome tire, but I was looking to try something that had better grip in cooler/wet conditions, offered greater mileage, and transitioned into slow corners more gradually. I'd typically get 2000-3000 street/track miles out of the RC on a GSXR 1000. An extra rear wheel helped get maximum miles - after three days of track days, I'd make that my street tire.
The previous Angel GT worked great on my GSXR 1000 on the street. I managed to get 5500 miles on a set before needing to replace them for something fresher for a trip - could have squeezed just a little more out of them.
Two years ago I participated in a track session during the local race org's lunch hour. The lead control rider in front of me took off like a mad man on a Tuono with cold Angel GTs - a solid, slow intermediate group track day pace. We had riders who'd never been on the track before. What happened to taking it easy for a few laps? ;-)
The Rosso Corsas on my GSXR 1000 at the time were warning me to ease off until they gained more heat. Not quite fully sliding, but not hooked up. They needed a couple of laps before I could start pushing enough to match the control rider's pace.
That day showed me that I don't need more grip on the street than what a sport touring tire like the Angel GT offers, and that tires like that are a better choice in less than ideal conditions. It's more down to feedback and handling characteristic preferences. That said, I'd sure like to try to the Diablo Rosso Corsa II for scratching around in the summer!
I'll try the Angel GT II sometime, but for now, the Rosso 3s have been my favorite all around street tire. They warm up fast, are good in the wet/cool, and offer neutral handling (better feel than the Angels GTs, for me).
I managed about 3500-4000 miles of mostly twisties out of an earlier set of Rosso 3s, and I have around 2700 miles on the set that's on my Ninja now with plenty of tread left.
Except for the '14 Ninja's stock Bridgestones (didn't like them all that much) and the one set of M7s, I've been only been on Pirellis for the last 15+ years, so I can't compare them to the other brands.