You heard me right. $349, a bump from $399 until the 12th!

"Only $349! Save $50 instantly on the Palm Treo 680 Unlocked.
4 Day Sale! Save $50 off the Palm Treo 680 GSM Unlocked Smartphone!
Offer only valid while supplies last.
Orders must be completed by August 12, 2007 11:59 PM (EST) to qualify.
Offer only valid in the U.S. Offer not valid where restricted by law.
Offer is not applicable to orders placed through Group Sales.
Offer cannot be combined with any other offer.
This promotional offer may be modified or terminated at any time without notice.
HOW IT WORKS
ONLY $349 when you purchase the Palm Treo 680 Unlocked. Save $50 instantly during our 4 Day Sale! (Originally $399)"

I realized it when visiting the 750's page today and hit the 680 on the drop down menu by mistake.