I have seen talk of using newer seats on older bikes. The real change came with the 6 gallon tank, which is longer and a different shape where the seat fits up to it (I have one right here!). So a seat up to 07 can probably be made to fit your bike, although it is a good idea to offer it up first, if you can.
yes thats rite i fogot all about the tank being bigger,ill keep looking for somthin that sits me low to the frame an a little further back than stock,also a twoup,, thanx again, was an ebay deal that i almost jumped on,ill keep lookin,,
tony