Part of their One Day Sale event. Macy's has Haier Countertop Microwave Oven for $29.99. Regular price $99. Available in-store or online with shipping (in my area it's $8). Price is good until 2/08/12.
You can check availability in store. If not available or OOS, talk to a cashier or any salesperson and ask if they can check other stores and have it shipped to your home for free.