Don't worry about it. :)
No, it doesn't work at all in either my Wii or laptop. Windows tells me the card needs to be formatted as soon as I try opening it, but all attempts to do so fail after about a minute. Other SD cards work fine, though. It's really puzzling.
Well, my card finally arrived, but it doesn't work at all, right out of the box. Trying to explore it on my computer just tells me it needs to be formatted first, but I can't seem to do that with either the SDFormatter program or Windows' internal process. Every time, it waits thirty seconds or...
Thanks for posting this, but I have a question. My Wii just updated the other day, and I'm curious if it somehow disabled this.
I'm going to get Rock Band 2 when it's released, and having twice as much room for DLC would be very helpful. I found this thread a while back when someone linked it...