The biggest benefit is that it will slow down the new generation of Bitcoin. Early adopters of the new currency will use their mining power to generate new currencies as oppose to flooding the saturated pools of bitcoin mining. This is huge because slowing down bitcoin generation gives time for the market to grow: giving time for merchants to consider accepting Bitcoins for goods and services, allowing late adopters a chance to get into the bitcoin market , and giving time for graphic card hardware manufacturers to create new more powerful/efficient gpus to support the growing difficulty of mining.