WOW it's fast. WOW it's fun. WOW am I going to be tempted to spend even more time zipping around the 'net instead of working.
After the difficulties in the initial "authorization" process, and a long wait on the phone for tech support, who turned out to be quite pleasant, the switchover from one computer to the router and LAN was easy and painless. Plug and play as it should be. Router and DSL modem flickered their lights at each other and decided to be friends.