I've been running Vista for awhile now off and on during the beta, and it's been on both my desktop and tablet since it was released to manufacturing.
Though the cost may preclude some folks from running it, I've really fallen in love and I hate using XP at work.
As they say, it's the little things - so as we lead up to the official consumer launch (and beyond), I'm going to start posting some of the features which have me hooked.
If you have any to add, I'd love to hear them - please leave a comment.