HandHeldItems.com offers the Wireless Soundbird Microphone 2-Pack for Wii
, PlayStation 3
, and PlayStation 2
for $34.99. Add coupon code "soundbird7" to your cart to cut it to $27.99
With around $11
for shipping, it's tied for the lowest total price we could find by $4. These wireless microphones are compatible with Rock Band, Singstar, and Karaoke Revolution. Deal ends March 31.