Google always surprises us in different ways. The Experimental Labs seams like a place where they are just having fun! In doing so, they managed to create some nice tools. Talking about a keyword suggestion tool with an original approach in displaying the volume of searches as well as suggesting keywords? Here you go:
Is there a better keyword tool out there?
Dynamic MetaTags, Dynamic Title, URL Rewriting, H1, H2,... are all a MUST HAVE for any CMS today.