You'd be fine - here's the passport rules for admission to the US under the VWP:
http://london.usembassy.gov/niv/mrp_bio.html

All passports issued centrally by the Passport Office (or rather the UK Passport Service as was, which then became the IPS in '06) are good to go. Passports issued by UK embassies might not be.

(Curious - were you a biometric skeptic?)