HP.com has the DM1z ultraportable laptop for $420 - $50 = $380 with coupon
code NBMX4925
Use shopdiscover for 5% cb with discover card.
Steps:
1) Go to Link: http://www.shopping.hp.com/webapp/shopping/computer_series.do?s
2) Select "customize and buy" next to base configuration for $429.99
3) Select "review and buy"
4) Select "add to cart"
5) Enter coupon code "NBMX4925" in the coupon code box