Figured I would post this since i seen some members looking for the oem car dock for the epic. I like the fact that it comes with the car charger, my evo dock was higher priced and didn't come with a vehicle charger. I also seen it on amazon, here's the link
OEM Samsung Navigation Car Mount for Samsung Epic 4G SPH-D700
OEM Samsung Navigation Car Mount for Samsung Epic 4G SPH-D700