Rumors of a multi-touch trackpad for desktops Macs have been along for ages, but the last time we really heard of them was last October. Since then it’s essentially been relegated to the annals of Apple rumor history, but oh look! Just hours before Steve Jobs & Co. are to take to the stage at Moscone Center for the WWDC 2010 keynote, a trio of photos said to be of the mythical multi-touch accessory have surfaced by way of Engadget. The images look extremely convincing, but let’s try to not lose our heads over a rumor this early in the morning. We’ve got a long day ahead of us.