Sorry to hear your car was broken into, hopefully the insurance will cover damage and loss. Sounds like maybe the person who did it might drive an xD, Maybe the cops will nab him/her.
Here is the link to the GPS unit at TRD Sparks.
http://www.trdsparks.com/displaypart...&parts_id=1538 Hopefully it's the same unit and not model specific for the RS2. Ted might be able to get you a better deal, I'm not sure.