It's the Steam Summer Sale and it's no doubt assaulting your wallets. For the next two days, Fallout: New Vegas is 75% off, for the main game and the DLC. You can buy the regular edition for 2.49 EUR/USD/GBP or the Ultimate Edition for 4.99 EUR/USD/GBP. Fallout 3 is 75% off as well, same pricing: 4.99 for ultimate, 2.49 for regular. The old Fallouts are on a general sale, 50%. During Steam Summer Sale it's usually better to wait for a daily sale.