KHOMO Blue Color USB Power Wall Adapter Charger + Car Charger + 6ft EXTRA LONG Blue USB SYNC Cord Cable for Apple iPhone 4G 5G 4Gs iPod Nano iPod Touch
Works just as advertised.  Other than the lack of official Apple markings, color, and length, it's pretty much indistinguishable from the official one that came with my phone.  They seem built to the same standard as Apple's stuff, so if it wears out it'll probably be due to the original design being flawed (my official iPhone cord wore out where the wire connects to the plugs... too much bending broke the wiring inside)<br />I bought this with Khomo's double pack of long cords so I keep one at home, one in