Here is a little further information on what I have posted about several times. I as well as some others who have emailed me privately have expresses a desire to find a MUCH more affordable interface to the Toyota standard radio to hook up their XM radio. There are two alternatives, either a "dumb" interface which may be what is available on the 2006 Prius, a simple AUX in plug to enable us to use something like a Roady II or other Delphi or Sirius radios which will let us use the XM or Sirius display but have a clean audio (not modulated) signal into the Prius Radio. OR There are the currently availablebut expensive "smart" interfaces which for me are a little too pricey. This may be an alternative. Look at this XM Radio page: http://www.xmradio.com/xm_direct/aftermarket.jsp I just purchased this tuner, and am waiting for the announcement of their new UNIVERSAL RDS interface due 2006 first quarter which seems, from the announcement I posted on my other visits here, to be within the price range some of us would like to pay. The NEW interface (see my other posts...castlecain ID) seems to be an intelligent interface which may be programmed to "learn" your radio RDS programming and it would probably ship with a specific cable for each in dash radio. Don't know yet what the exact specifics are, or even if the device will be for oem radios for the Prius. But my feeling is the new interface will be manufactured as a universal solution, only requiring a specific cable and plug, therefore one unit fit's all, and the cost to manufacture will be less than what is now offered on the above web page. By the way, I took a risk, bought the XMD1000 from Crutchfield at 49.00 with a 50.00 rebate, set it back in the cabinet for future use, while I continue to use my Roady II with modulator. Who knows, maybe I made the right decision and will be able to interface it soon for around 35 to 75 dollars. Rod