I've commented before on my enthusiasm for Skype (there are certain aspects of my job where it would be difficult, if not simply very expensive to do what I do each day), and I've also talked about the Netgear Skype phone.
Now more dedicated hardware devices are being released that turn the Skype phone service - essentially a virtual phone system - into a physical service that could replace many elements of your phone calling requirements.
There's a brief rundown at Engadget (Skype readies four WiFi phones for VoIPing public) that covers the new models that are being released.