XR Mikey; Here is a link to most of the parts you would need. The hulls show up on E-Bay everynow and then. Also, Tower sometimes has then in their "Scratch and Dent" section as well for good prices.
Its a fun boat and looks like nothing else on the water. It always draws a big crowd!
http://www3.towerhobbies.com/cgi-bin...I=AQUB40**&P=Z