So your stuck with Labview. Don't let that restrict your choice of DAQ
boards.
Amplicon provide PC based data acquisition boards with a range of software
support, including Labview drivers.
Take the ADLink DAQ2200 for example:
http://www.amplicon.co.uk/data/daq2200.html
Packed with drivers and like all Amplicon products, you'll recieve free
telephone techincal support.
http://www.amplicon.co.uk