So I got my second 360 from goodwill a couple days ago. But unlike my first one that I paid 39.99 for that worked perfectly, this one has the 4rrod. Good thing this one was only 29.99 plus my 25% birthday month discount for $22.49.

So according to all the info I can find on the web, the 4rrod means there is a problem with the video cables, not the usual overheating/xclamp failure with the 3rrod. I am using the cables from my other 360 that work great with it. Anybody else dealt with this problem? It's easy to find info on replacing the xclamp on the web, but I havn't found much on this problem.