Sounds like mine cold, it seems like everything rattles on mine cold!
[media]http://www.youtube.com/watch?v=2FLwBpYdCQg[/media]
That was after running about 100 miles.
This next one sounds like mine too.
[media]http://www.youtube.com/watch?v=jljMLbQ7gq0&feature=related[/media]
I was around this one most of a day and it had a pretty noticeable knock, not after thoroughly warmed up though. I am with everybody else, if your oil pressure is good and it gets quieter while driving, just enjoy it!
[media]http://www.youtube.com/watch?v=KIMfyG-09OE[/media]
Glen