I just released VueScan 6.4.7 for Windows, Mac OS and Linux.
It can be downloaded from:
http://www.hamrick.com/vsm.html
What's new in version 6.4.7
* Combined Image contrast and Image brightness into
one option (Color|Image brightness) and improved
the color constancy when changing image brightness
* Fixed problem with incorrect cropping on SprintScan 4000
and Minolta Scan Multi when scanning first image after
starting VueScan
* Added support for new LinoScan scanners
* Fixed problem with 300 dpi previews on Epson FilmScan 200
* Minimum scan resolution on 300 dpi UMAX scanners is 75 dpi
Regards,
Ed Hamrick