BuyDig is offering the Panasonic VIERA TC-L42E5 42" 1080p 120hz LED TV for $574 with FREE Shipping, after coupon code: MADNESS15 (ends 3/31) applied during checkout.

Note that if you can pick it up, Sears also offers this for just $549.99 with free in-store pickup (otherwise $70 shipping).

What this does and why you need it?
The Panasonic VIERA TCL42E5 42" LED HDTV features a 1920x1080 resolution LED backlit display, 4xHDMI, 3xUSB, D-Sub, component and composite ports, 120Hz, and more