Wireless and Wired

I've had 3 annoying days where I couldn't log into two of my favourites - Blogger and My Space - and my wife couldn't get her favourite online newspaper. The problem was since installing an adsl wireless modem/router to replace our usb modem. I'm glad to report that things are looking up and I think I've got to the bottom of the trouble - I had to change personal firewall software. It was getting out of date and needed to be changed anyway, I would have liked to have found the answer sooner though. Now though, I can work upstairs and my wife can share the connection downstairs at the same time. I might also try networking my PS2 but I need a rest first! All that troubleshooting and looking on tech forums really does my head in.