Amazon offers its Prime members Fallout New Vegas: Ultimate Edition for PlayStation 3
(pictured) or Xbox 360
with free shipping
. (Non-members can spend $25 or more to get free shipping; otherwise it adds $4.98.) That's tied with our October mention and the lowest total price we could find for either platform by $10. Sales tax is added where applicable. This edition includes the full suite of add-on content.
Update: Both are now temporarily out of stock but can still be ordered at this price.