An Electric Blue Samsung Galaxy S5 is coming to..you guessed it…Best Buy. The blue bugger will be exclusive to Best Buy stores, and will be available on August 17th for $199.99 with a new two-year contract with AT&T, Sprint or Verizon. For those who would like to make payments on the blue GS5, Best Buy has options for you there as well. Customers who opt for a payment plan will get a $100 Best Buy gift card for a limited time. The gift card offer is valid from August 17th until August 23rd.