This 10 cup machine keeps coffee warm in it's insulated carafe. It also sports a Brita water filter for an untainted cup. In addition, the unit uses a reusable filter that will keep you from running out and getting replacements.
Prices range from $55 to $75 online.
Most reviews of the KF600 are positive. Interestingly, the most common complaint regarding the unit was that it does not keep the coffee hot for an acceptable period of time.