Sportsworld have reduced all of the England Away shirts which will be current until March 2010.
As you may be aware they also have the home shirts starting from £3.49-14.99 - this has been posted elsewhere.
There are plenty of these shops across the country also knows as sportsdirect, sports soccer etc so it should be relatively easy to pick one of these up.
Away Shirt Short Sleeve Plain - £8.99
Away Shirt Long Sleeve Plain - £12.99
Away Shirt Short Sleeve with Name - £12.99
Away Shirt Long Sleeve Plain - £6.99
Away Shirt Short Sleeve with Name - £9.99
Girls Away Shirt Short Sleeve - £9.99
Ladies Away Shirt - £12.99