Many podcasters rely on dynamic microphones to prepare their work. To connect a quality XLR microphone to your computer, you are going to need a quality USB Audio Interface. The Focusrite Forte USB Audio Interface is a premium solution that has everything you need to get started. It has two remote-controlled mic preamps and offers +48 phantom power. It is compatible with both Windows and Mac.
The Focusrite Forte is good looking and has a premium aluminum enclosure. It offers high quality A-D / D-A conversion at up to 24-bit/192kHz resolution. It will cost you $599 though.