LabVIEW 6.1 offers some few resampling options with the low level VIs. (Linear and Spline interpolation). See for example the VI attached to this reply:
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=137&HOID=506500000005000000CE580100&HTHREAD=000088270&UCATEGORY_0=_49_%24_6_&UCATEGORY_S=0
