Can't say about the Sanyo model, but if you're still investigating, lots of folks have had success with this 2-keg+co2tank option:
I'm about halfway through this conversion at the moment and it has been very straightforward. Note that the model design has changed slightly on this one earlier in this year. But, other than the door molding (I had to cut that out to fit my 2 cornys), the rest is the same.
For what it's worth...