Hi Lloyd and Chris,
I know that we talked a little about the MSB setup on my audiogon system page but now that have read this thread, there is a bit more info to clarify.
The current MSB UMT transport is based on the OPPO 95 not the OPPO 93. Bruce is right that with the Diamond power supply, it is capable of powering both an MSB DAC and any of the MSB transports. However, inside of that power supply, they use a linear power supply for the DAC and a switching power supply for the transport. The pin connectors on the supplied "power cables" are different between the DAC's and the transports. Starting in January of this year, MSB introduced their Signature CD transport and corresponding Signature Transport power supply. The Signature transport power supply is a dedicated linear power supply for their transports (it can only power one transport) but it is a very nice sonic improvement over using the switching power supply in the diamond power base (I did this comparison in my system). In addition, the Signature transport when used with the MSB DAC (in my case the Diamond DAC with Galaxy clock) and using MSB's newer Pro I2s interface (via a CAT 6 cable) provides a clock sync function from the DAC back to the transport. The clock sync feature is not available on the Platinum CD transport or the UMT. Again, another nice sonic improvement. From a PCM point of view, the Signature transport is definitely better sounding than the UMT as I have done this comparison in my system as well. On the other hand, the UMT will play any type of disc that you want.
Hope this helps,
Arnie