The deal has been extended:
http://www.techbargains.com/news_displayItem.cfm/219297

The text of the link:


Nokia N900 Smartphone (Unlocked, Quad-Band GSM) w/ Touchscreen, 32GB Storage $349 Free Shipping, Aug. 11 11 AM

EXTENDED. Dell Small Business has the Nokia N900 Smartphone (Unlocked, Quad-Band GSM) for $349.99 Free Shipping after Coupon Code: P3MK8L7D80B0F0 (Exp 8/14). Tax in most.

Features 600MHz processor and up to 1GB of application memory; 3.5" touchscreen; 32GB storage; 5MP camera; 802.11b/g + bluetooth; A-GPS; Maemo media player; FM transmitter