Been thinking about picking up a Samsung Nexus S on T-Mobile, Sprint, or AT&T? Then tomorrow's your lucky day, my friend. Best Buy just pinged us to share the news that tomorrow it'll be offering all three versions of the Nexus S for free on-contract to new activations as well as customers that are eligible for an upgrade. Running from at 11:00 PM CT (12:00 AM ET) tonight and through 11:59 PM CT tomorrow night, the offer will be available at Best Buy and Best Buy Mobile stores as well as BestBuy.com/mobile. Check out the full presser from Best Buy below.

Samsung's Nexus S may not be the freshest smartphone on the block, but getting a handset with a 1GHz processor, 4-inch Super AMOLED display, and vanilla version of Android 2.3 for free is a pretty tough deal to turn down. Plus, the Nexus S is currently sitting at the No. 2 spot on our list of best Sprint smartphones and was also a part of our top T-Mobile smartphone list for quite a while, so you know it's a good handset. Who's biting?

One-Day Exclusive Offer: Best Buy Mobile Offers All Versions of Nexus S from Google for Free on Aug. 3
 
Available on AT&T, Sprint and T Mobile at Best Buy, Best Buy Mobile specialty stores and online. Offer runs from Aug. 2 at 11 p.m. CST to Aug. 3 at 11:59 p.m. CST
 
MINNEAPOLIS, August 2, 2011 – Best Buy Mobile today revealed an exclusive one-day sale on Nexus S from Google phones valid on all carriers who support the device  - AT&T, Sprint and T-Mobile offering customers the choice of 3 major carriers. Customers can receive a free Nexus S phone, either as a new phone or an upgrade purchase with two year activation at all Best Buy, Best Buy Mobile specialty stores, and online at BestBuy.com/Mobile.
 
Nexus S is a pure Google experience phone and runs Android 2.3, Gingerbread, the fastest version of Android available, and will be offered free starting tonight at 11:00 p.m. CST, through  Aug. 3, at 11:59 p.m. CT.
 
In addition to the most smartphones under one roof, including all three versions of Nexus S, Best Buy Mobile offers an array of services aimed at improving customers' experience, including Walk Out Working, Upgrade Checker, Happy 24 and a full array of accessories for customers to protect and personalize their device.
 
About Best Buy Mobile
Best Buy Mobile was founded in 2006 with a goal of changing the way consumers shop for and purchase mobile phones in America. Today, Best Buy Mobile is in every Best Buy store and also has 206 Best Buy Mobile specialty stores around the country. Best Buy Mobile features one of the largest selections of carriers, handsets and accessories available anywhere. Employees undergo at least 80 hours of intensive training, as well as continuing education on mobile phone technology and trends to help customers get the most of their mobile phones. For more information about Best Buy Mobile, visit www.bestbuy.com/mobile or www.bestbuymobile.com.
 
About Best Buy

Best Buy Co., Inc. (NYSE: BBY) is a leading multi-channel global retailer and developer of technology products and services. Every day our employees - 180,000 strong - are committed to helping deliver the technology solutions that enable easy access to people, knowledge, ideas and fun. We are keenly aware of our role and impact on the world, and we are committed to developing and implementing business strategies that bring sustainable technology solutions to our consumers and communities. For information about Best Buy, visit www.bby.com.