Now that the 300,000 early adopters have had a few days to play and work with their iPads, we're moving beyond the "first impressions" articles (but here's a video of a 2-1/2-year-old's first encounter with the device). The detailed reviews aren't out yet. The largest source of early complaints is a complex of problems with Wi-Fi reception. Apple has posted a technical support note implicitly acknowledging the problems and suggesting some work-arounds — specifically, changing SSIDs or encryption methods on base stations that offer both 2.4-GHz and 5.8-GHz signals. Finally, here's a detailed look at the gratuitous pain Apple imposes on those desiring to get iWork files transferred from and to the iPad.