Anyway, I had a bit of trouble getting the N800 to talk to the wireless network at work, which is WPA2-Enterprise authenticating against an Active Directory domain. But a google search found a page describing how to configure a connection, and that worked right away. The following is a direct copy-and-paste of that post:
page 1: Connection type = WLAN
page 2: Network mode = Infrastructure; Security method = WPA with EAP
page 3: EAP type = PEAP
page 4: Select certificate = None; EAP method = EAP MSCHAPv2
page 5: You can enter your login information if you don't want to log in manually each time
page 6: Click "Advanced" button
Other tab: Enable "WPA2-only mode"
EAP tab: Enable "Use manual user name"; enter your "Manual user name"; Disable "Require client authentication" (I thought I had this one enabled initially, but it will now only work if disabled)
I set it not to remember my password (in case the N800 is lost or stolen).