Currently Being ModeratedMay 2, 2012 6:13 PM (in response to Aaron Cottrell)
The MDD sled could work, but not like the real thing. Mount holes and tabs would need to be reconfigured, and the height may pose issues.
Several G4 dual hard drive sleds are available here:
The computer model doesn't matter with regard to the dual drive sled. All are the same from the G3 B&W through the Quicksilver 2002.
Basically the same search, but refined to eBay UK. These are all international sellers: