A new list of participating ships is out, dated 21-3-13
A previous list can be found here:
Apart from a goodly portion of the Malaysian Navy and Coast Guard, and the RSN stealth frigate, there are two ships of note: the Marshal Shaposhnekov, and the the HMAS Parramatta:
Well, here's hoping they allow visits on board.
The planned USN representation (an Arleigh Burke destroyer) has not materialised.
This is a map showing the mooring positions of the maritime participants: