@Pete 2 - A little unfair, mate
"With Win 7 being little more than a service pack for XP, with some new eye-candy and incorporation of applications that used to only be available as freeware, this new version of Linux seems to be following a similar line. It looks to be a fairly minor tweak of the previous version - which was itself only slightly different from the preceding release - which was ....."
Windows releases come out every 5 years or so (or every 18 months if you fuck one up and desperately need to re-release it). Ubuntu comes out every 6 months - it's designed to be a series of incremental steps.