No matter which camp you are coming from, Microsoft are taking a huge gamble with this new OS.

If you think about it, they don't really have a choice either.

They have to keep ahead of the competition with Linux and Mac somehow or there will be an avalanche of migration.

They also have to compete with XP since when everyone has it, they don't have a product to sell.

Of course, with any gamble there are winners and losers.
Sure, Microsoft is telling us they are the winners, but then they are biased

Good luck with the gamble.