It goes on smoothly and easily, doesn't streak or get blotchy - we were very nervous the first time we used it, but it has worked consistently for us for years. It is not stinky even if you do it with windows closed (like we did this past Saturday) and it dries in one hour.
Here's the drill for our main room:
Two hours and you have a fantastic looking wood floor again with no lingering odors. It is the perfect chore for when you really want your place to look great - totally worth the fairly minimal time and effort for the glossy results.
We've bought Bona X all over, but most recently we purchased it at Restoration Hardware.