The BBC has reported that 21,000 fraudulent websites were shut down last year and Met Police urge buyers to view cars in person. Reputable sites such as Ebay and Autotrader have been used for advertising these "virtual vehicles".
Dates in the UK (and most of the world) are formatted differently than the USA. Instead of Month-Day-Year, the day is first, Day-Month-Year and said for example "the 7th of November" (07-11-2011). Pay attention on important forms and food expirations!