I fear for my cute lil' Wii. I've been reading all the reports about the WiiConnect24 error codes that people are getting that force them to send it for repairs. The catch is that you'll lose your saved data you had in the Wii's save space.
Now the fact that I have a first shipment Wii, and I've yet to connect to Nintendo's server, makes me fearful of even trying to do so. Also, I don't have an SD Card to transfer my data to, which effectively has me screwed over.