For those of you curious about what I use or interested on getting into webcasting, here's some details about the hardware and software that I use for this webcast. Many things are not final and will probably change over time, especially in the early beginnings.
Audio file
Format: MP3
Default: Mono, 44KHz, 64kbps
When stereo is needed: Stereo, 22KHz, 64kbps
Software
Recording: Audacity or the VoIP software
Editing: Audacity
Audio mixer: Windows Volume Control
VoIP: Skype, Gizmo, or Mumble
Live listeners: TeamSpeak, Mumble, and/or Ustream
RSS feed generator: RSS Builder by B!Soft
FTP manager: FileZilla
Hardware
Headset (Pilot_51): Aopen HS-780
Headset (Jason9811): Logitech USB Headset 250
Audio: Realtek ALC882D integrated (10 I/O channels) or SoundBlaster Live! 5.1
Hosting bandwidth: 5GB/month
Hosting storage: 500MB
Local bandwidth: 6.6Mbps down / 384Kbps up
Local storage: ~160GB