Groupon offers the Audio-Technica Cardioid Dynamic USB/XLR Microphone
, model no. AT2005USB, for $57.99 with free shipping. That's the lowest total price we could find by $2. It features a cardioid polar pattern that purports to reduce sounds from the sides and rear, on/off switch, and headphone output with level control.
For Prime members only, Amazon
has it for a final checkout price of
with free shipping