I always find out interesting stuff at London.pm meetings. Last night's involved me learning about someone who found unexpected problems in his code using Class::Sniff (not naming him because I didn't ask permission). This makes me happy.
There was also a general discussion of its features and here are some thoughts (some I've had, others came up last night):
Ingy and Yuval were also there. It was good to catch up with them. Yay for London, the town everyone wants to stop over at!