This happens at least once per day, if not several times (3 yesterday before I quit trying). So, here's the information you were looking for:
Country: US
Connection: Wired
PS3 Slim, 250GB
I'm pretty sure that if you start tracking users on PS3s on Wall-nut Hills on your servers, you'll be able to see what's going on, right up to the point that they have to shut their system off.
