I've seen:

2011-02-13 03:21:33 Found Hash!
Sending to server: {"method":"getwork","params":["*censored*"],"id":1}
Server sent: {"result": true, "id": "1", "error": null}


About 5 times this hour... does that mean I found the winning hashes for 5 blocks?
eg: made the pool 5*50=250 bitcoins? :-O