So has this thing hit the US?
No. There's a 50/50 chance of Dean making US landfall 
I also saw on KSMI Website that Hurricane Gil could be one of the strongest storms in the Pacific Hurricane season. Did you hear that Gil?
Not sure where you got your probability from, but there's a big dome of high pressure protecting much of the U.S. at present. It looks currently like Mexico and Central America have a better likelihood of having to face Dean.
Has Gil even formed yet? How can you predict what a sotrm's gonna be like before it even forms?