After some thought I have voted for control tyres no warmers. But if we go ahead with this I think the entrants should have a say in the tyre make/type.
In my case I hate michelins 2 very fast front end washouts have left me with absolutely no confidence, dunlop 207rrs are cheap but I have found them unpredictable when cool, I have never used bridgestone tyres due to 2 friends highsiding on coldish tyres.
May I suggest a further Italian link and go for diablo corsas which are nearly a s good as supercorsas/rennesports( my prefered tyre) but still have adequate tread for wet weather, and apparently are grippy even when cold.
dave
this could be due to the fact the bike I am getting is already shod with new corsas
