Scotland
Hebridean Overtures 
You discover one website and another pops up almost simultaneously. Both interesting and useful if you’re heading that way.
http://acrosstheminch.wordpress.com/cycling-in-the-hebrides/
http://www.bikerider.talktalk.net/webpages/home.html
CTC Maps offers a range of downloadable route sheets for the area too. http://www.ctc-maps.org.uk/