If anyone already has experience with the Sony PMW-200 using SDHC adapters, please post/reply here.
Here is the information, that I have got so far:
MXM writes: "Yes it does with the PMW200, however, Sony will only allow it to work in 4.2.0 and NOT 4.2.2 mode.
There is a possibility in the future that Sony may change this with a firmware upgrade."
Sonnet: "As Sonnet has not been able to test the Sonnet - SDHC Adapter for SxS Camera Slot: SDHC Memory Card Adapter for Use in Sony XDCAM Camcorders Which Use SxS Media with the PMW-200 we cannot promise compatibility, if it is the replacement for the Sony PMW-EX1R then it should work providing the PMW-200 is running the latest firmware."
Hoodman: "Our SXS Adapter will only work with this camera in the FAT 32 record mode (XD CAM). It will not work in the UDF record mode."
Happy New Year and thanks for contributing information!