Try Robsom Racing, and get the Diablos. I have them on my ST2 and they are awesome.
People who know me know that I don't hang about, but they have so much grip that I've never had a slide or a shimmy on dry roads. They're predictable in the wet, they warm up fast and...they've now done about 1800-2000 road miles, and a track day and still only look as if they're just scrubbed in.
They could be the perfect tyre?
You can find Robsom Racing's number be trying a Search on this site for Mike Davies