Mod your dock to work with iPhone 3G
Two intrepid users have found a simple way to mod their old iPhone docks to work with iPhone 3G: a rotary tool.
All it takes, apparently, is grinding away about a millimeter of the plastic where the back of the iPhone 3G rests against the dock. A rotary tool with a tapered grinding bit appears to work the best, as it avoids touching the dock connector.
It might not have exactly the fit and finish of a new dock, but hey, the price is right if you already have the tools.
iPhone 3G docks are $29 at the Apple Store. Dremel grinding bits are about $10 for a five-pack.
[Via Digg.]