I've done some searching and had no luck.
I've used the Ethernet shield before successfully, but I'm looking to scrape an HTML page requested with POST data. Just a few simple variables, nothing that will stress the Arduino, and the reply is only a few lines of barely marked up text.
That said, it sounds like the Ethernet library can do a POST request (or if not, the HTTP Client Library
Unfortunately, I can't seem to find a good tutorial from anyone who has put together such code. Can anyone point me in the correct direction?