I read about the slow startup before I bought the X100. On advice of some professionals out there I bout a SanDisk Extreme Pro card. My x100 takes less than 2 seconds to boot up.
I don't think that is too bad.
Just about to upgrade to 1.2.1 firmware - wish me luck, lol.
Get a weekly update of all that's new in the digital
photography world by subscribing to the Digital Photography Review