Weetabix out of the box? Isn't it a little too dry for that?
@STM: Me and my best friend still chill out at his house after our weekend job and play games together, even though we're 27. Heh. We've been doing LAN gaming with his old computer after his PS3 died. This site lists co-op games:
http://www.co-optimus.com/
Don't forget to also look through the classics - We finished Diablo 2 last week after 4 months (3-4 hours, once a week). Nostalgia-tastic.