Best Buy is offering the 24" Dell S2419NX 1080p IPS LED Monitor for the best deal.

Regular Price is $279 shipped

Step 1 - Get the $60 Coupon
If you haven't yet, you can become a EDU buyer to get a $60 coupon. Just sign up and you will receive a $30 Acer coupon in your email
They will send you the $60 coupon almost immediately

Step 2
Best Buy Price is $149.99 Shipped

Step 3
Use the $60 off coupon

Final Price is $89.99 Shipped