We were wondering why the new voice-enabled iPod shuffle even has a standard 3.5mm headphone jack since it's controlled by proprietary headphones, and we just got the answer: non-Apple headphones will require a special dongle that includes the new three-button controller, and Apple says it's working with third parties to bring other compatible 'phones to market. Yes, Apple's cheapest iPod is now the most needlessly complex, and far from cost-effective if you want to use your own cans: assuming the adapter will cost between $20 and $30 like most other Apple accessories, you're looking at minimum $100 outlay for the new shuffle, and at that point you might as