Isabel, Gloria and Floyd were about the worst I recall. Lots of downed trees and rain.
These days most major supermarkets have generators of their own and the 'warning' hype has been so ridiculously overplayed for days that every possible response entity is already buzzing around on their highest possible alert.
My bet is we all live through it and 10 years from now a thread about the new storm will include mention of Irene along with the others... nothing more.
