matlab serial port access in OS X

Just came across this addition to matlab central, might be relevant for
some people, even with the beta PTB.
Haven't tried it out myself yet, but will soon.

Title: comm
Author: Tom Davis
Summary:
This MEX-file provides MATLAB access to Mac serial ports.
MATLAB Release: R13
Description:
This MEX-file provides MATLAB access to Mac serial ports such as the
modem and IrDa port, and add-on ports, such as USB to serial adapters.
It has been tested with MacOS X 10.3 and MATLAB 6.5.1.

The Xcode project used to develop the MEX-file is included.

http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?
objectId=4952&objectType=FILE