The Audio-Technica ATR2100 is a great mic for podcasting and is fairly cheap.
The Blue Yeti USB Mic is one of the most popular mics for podcasting, but you need a very quiet space because it picks up a lot of the ambient noise that might disrupt your podcast recordings.
Audio-Technica ATH-M20x Professional Studio Monitor Headphones
RODE PSA 1 Swivel Mount Studio Microphone Boom Arm
Neewer NW(B-3) 6 inch Studio Microphone Mic Round Shape Wind Pop Filter Mask Shield
On Stage MY-420 Studio Microphone Shock Mount