Not to split hairs Merry, but the flyer I got (for flying club members)said 10000 miles plus a bonus of 5000 for taking a PEP /ISA before the dates you stated, but lets not squabble over 3000 virgin miles !
Article in todays Sunday Times about virgin considering investing in a company developing a space plane. New York - London in 90 mins (is that with or without the delays at Heathrow??)