03-13-14: Lall
Get the Vitus Andromeda pcs as recommended by the factory.
The Andromeda pc is quite good & works well with Vitus amps, however I a-b tested the Andromeda pc which came with my Vitus SIA-025 vs a Jorma Prime pc I had on hand, and the Jorma proved to be more sophisticated, richer sounding and more resolving. It was a very obvious improvement. I even preferred my Jorma Unity pc which is now doing duties with my Oppo 103AU. The Andromeda pc is back in the box.
The Siltech G7 Ruby Mountain II is a slight step up in price from Jorma Prime and is also an excellent match with Vitus amps. They offer wide bandwidth and are very quiet. In terms of differences I would say Jorma Prime is a bit more 'delicate', whilst Siltech has more bass. Though Prime still has excellent control in the bass. So it depends on your taste and what sound you're looking for. Jorma offers good value for money imho (atleast in Australia) which helped push me over the line and go with Jorma.