For last minute shopping for delivery before Christmas, Amazon has many consumer electronics items eligible for Free Two-day Shipping.  Simply select 2-day shipping like this screenshot.  An automatic discount will be applied as similar to this.  Items eligible for free 2-day shipping are listed here with categories and some examples listed.  Amazon states that orders placed by 8pm PST on 12/22 using two-day shipping will be delivered before Christmas.

Categories MP3 & Mobile Electronics Home Entertainment Cell Phones & Acc. Camera & Photo GPS & Navigation Computers & Acc. Office Products

Examples Amazon Kindle 6" Wireless Reading Device for $259.00 shipped HP LX195 MediaSmart Home Server for $199.99 shipped Apple Mac Mini MC238LL/A Desktop for $574.95 shipped Canon Rebel XSi 12.2MP D-SLR Kit with Lens for $556.99 shipped Microsoft Zune HD 32GB Media Player for $267.99 shipped HP Mini 10.1" Netbook with 8-Hr Battery Life for $339.99 shipped TomTom XL 340-S 4.3" GPS Navigator for $128.99 shipped

Originally posted earlier, this is just a friendly reminder.