I find those “Snap Shots” (semi-popup preview windows) on links to be quite irritating. They’re particularly prevalent on wordpress.com blogs. I feel like they get in my way, and have no real value.
Turns out there is a way to turn them off. Head over to the Snapshots FAQ and expand question 3 “How can I turn Snap Shots on or off?”, and click on the link provided.
Apparently it’s done via cookies, so you’ll lose the setting if you clear them.