They shouldn't bundle the accessories. Reduce the price by as much as or more than the price of the accessories, and allow those who don't need them to pocket the savings.
If you already have an external DVD (e.g., for the Mac Mini) you probably don't need a second one.
If you need an optical drive or ethernet dongle, get one. If you don't need one, keep the money. If you find you need one later, buy it later.
And with OSX you can use whatever DVD drive on your other Macs over LAN am I right?