i have the factory 20" with ROF tires and i feel safe and secure driving around in it, even with a lot of rain.

http://www.tirerack.com/tires/tests/...ay.jsp?ttid=59

Summer tires are the safest bet in summer conditions (wet+hot)

http://www.tirerack.com/tires/tests/...ay.jsp?ttid=78

http://www.tirerack.com/tires/tests/...irePageLocQty=

All seasons are convenient but if you can live with taking one half a day out of a year to swap tires summer and winter, you will be on safe tires all of the time instead of being compromised with all seasons no matter what time of year.

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2007 4.8i Space Grey, 20", black nevada interior
All options with no 3rd row, rear entertainment,
handling pkg.