PRS-600 is about £100 more expensive in the on the UK high street than in the US.
WHSmith sell a IRiver Story for £149
http://www.whsmith.co.uk/CatalogAndS...uctID=34285626 not sure what this is like but there is a forum here:
https://www.mobileread.com/forums/forumdisplay.php?f=219
There is an old comparison of 6 inch readers available in the UK here:
http://www.ebookreadersreview.co.uk/...arison-matrix/