V2.1.1 of USBTrace which is now available for download has the following 2 new features added:
You can now adjust the size of USBTrace’s internal capture buffer. This helps you to increase/decrease the maximum amount of data which can be captured by USBTrace in a single capture session. This feature is available only in the registered version of the product. In the evaluation version, the maximum capture limit is, as before, 256KB.

The search feature has been enhanced. String search (Both ASCII & Unicode) can be performed in addition to hexadecimal search.
You can download a free 30 day evaluation version of USBTrace, the software based USB Monitor software for windows from http://www.sysnucleus.com/usbtrace_download.html
