Shoppers got a double whammy of bad news on Thursday as Microsoft announced yet another round of Xbox price hikes hours after Apple boosted prices . Taken together, the price increases — which both companies say are due to spiking memory and storage costs — are set to make holiday shopping significantly more expensive. For gamers, it makes gaming increasingly feel like a luxury hobby . Microsoft's popular Xbox game consoles are set to increase by $100-$150 on August 1. The 512 GB models will go