I tried searching and didn't find any mentions of it, so how about Byercycles single speed bike? Worth adding to the list? The more, the merrier.
Added.
EDIT: Latest count of bikes under £500 is 23, and between £500-£800 are 18 bikes.
(Not including 2009 or the "quirky" models)
@GA2G started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Added.
EDIT:
Latest count of bikes under £500 is 23, and between £500-£800 are 18 bikes.
(Not including 2009 or the "quirky" models)