I came across this projection a couple of years ago and completely changed the way that I look at maps:<p><a href="http://flowingdata.com/2010/10/18/true-size-of-africa/" rel="nofollow">http://flowingdata.com/2010/10/18/true-size-of-africa/</a>
A Guide to Coordinate Systems in Great Britain is a wonderful resource as well<p><a href="http://www.ordnancesurvey.co.uk/oswebsite/gps/docs/A_Guide_to_Coordinate_Systems_in_Great_Britain.pdf" rel="nofollow">http://www.ordnancesurvey.co.uk/oswebsite/gps/docs/A_Guide_t...</a>