1. A method for image guided surgery, comprising: determining, with a computer system, device type information for a first medical device; determining, with the computer system, real-time emplacement information for the first medical device; determining, with the computer system, real-time emplacement information for a second medical device; determining the real-time relative emplacements of the first and second medical devices with the computer system; determining, with the computer system, at least based on the device type of the first medical device, real-time prediction information for the first medical device; generating image guidance information, with the computer system, based on the real-time relative emplacements of the first and second medical devices, the real-time prediction information for the first medical device, and data related to the second medical device; and displaying, on one or more displays, a graphical rendering of the image guidance information.