Chrome 7.0.517.44 (haven't tried another browser)
imgur.com/2OjYK
If I keep walking to the right of the screen, I eventually cannot be seen at all.
To reproduce: teleported to hechey track after completion of a project and dropped near clam. Also to note that the clam gave me something, but if it's on the ground, I can't see it and it didn't make it into my bag.