Well this is nice, it's a beginning of something to start paying with bitcoins, even if it's only a gift card.
Too bad we don't have walmart in Europe. I wish this was available in one of the stores in my country.
I believe you can still use Overstock (general goods, similar to Amazon) or Newegg (computer hardware) if you are from EU. There are local online shops in EU accepting bitcoin as well.
For example Aria PC - Computer Hardware online shop in UK.