Anyone know...

[Blue Bear Sound]

...who sells ORAM in North America - specifically the MWS?

 

[NYMorningstar]

Check out this link. Looks like they were sending out loaners for demos at one time. The link looks a bit old but they do seem to be in business still.
http://www.sweetwater.com/publications/sweetnotes/sn-latesummer97/page-13.html

 

[Track Rat]

Sweetwater is the only vendor I know of.