Power Jack / Charger:: The initial charge went just fine, allowing me to get several hours of browsing usage out of my tablet. The second and each subsequent time I've tried to plug in the charger, however- the plug hasn't gone all of the way in, leaving one or two millimeters of exposed metal between the rubber plug and the N800 power jack. Since then, I haven't been able to charge my tablet.
That "other" memory card: I inserted the SD card as instructed in the little folded up user guide, and it seems to work fine. But what the heck am I supposed to do with the other card, the teeny little one? I'm at a loss. For that matter, it seems to have gone missing, and I'm not sure if I need it for some purpose.