I found that the eagle F1's do grip well but also found that they were not as stable at high speeds compared to the bridgestone pots re050, 070, and the PS2 michelins
also found that the F1's worked much better in wet conditions than dry.
i think bridgestone pot re070 or michellin ps2 are the tyre that keep coming in the top ten of most tests.
i have not seen any of the tests carried out with high speed stability as one of the categories.