So right, I know I have to get these ESTA forms for our holiday to Florida in August but having read the guidance notes on the site I am now deeply confused about the current status of our passports.
The site says:
What are the passport requirements for travel under the Visa Waiver Program?
Visa Waiver Program requirements are:
?The passport must have a machine-readable zone on the biographic page.
?Issued on or after October 26, 2005 ? Each Visa Waiver Program passport issued on or after this date must have a digital photo.
?Issued on or after October 26, 2006 ? Each Visa Waiver Program passport issued on or after this date must be an electronic passport with a digital chip containing biometric information about the passport owner.
So, my DS's passport was issued in 2012 so I'm assuming that because it's bang up to date that one's fine (although his fingerprints were never taken so I'm not sure about "biometrics"?) 
Mine was issued on 4 October 2006 and is a biometric passport (as it has the little symbol on the front) but is much thicker on the photo page than DS's so I'm assuming that, although mine is different to his, this is simply because the technology has moved on and mine will be OK too - again I had no fingerprints taken for "biometrics" so
again.
DH's was issued on 8 March 2005 and is not a biometric passport as there's no symbol on the front so I'm assuming he'll just have to get a new one even though it's valid for another 2 years.
Please could someone who has significantly more brain cells, and/or a good deal more common sense, than me kindly enlighten me?
And don't even get me started on whether or not we need to get an International Drivers Permit...