The differences between the three major parties

I know some people hate links, but I'd be interested to see how many people agree with this very basic summary of the differences between the three major parties. It's for school pupils, but I think it's fairly accurate as a starting point, and reinforces why I vote the way I do. What does anyone else think?
http://www.channel4learning.com/sites/lifestuff/content/whorules/elections/whorules_ne_tmpp.html