This deal has ended.
Buy.com now has the Ooma VoIP Hub and Scout Phone System for $199.99, the lowest price we could find online. This device allows you to use your high-speed internet for telephone calls to anywhere in the US without any phone bills (and extremely low rates for international calls). Check out this explanatory YouTube video. It's well reviewed almost everywhere you look. Shipping is free with no sales tax (except KS, KY, ND, NY, WA). New users can get $10 off $200 if they spend $0.01 more.