We have many users and as a means of controlling the scanner settings to things such as 300 dpi, Text Enhancement II and other scanner specific settings that are needed on each scanner model for optimal results have been pushing the registry keys for the scanners in a login script.   The downside of this is that then everyone receiving the script is getting settings for all models that we have keys in the script for (but only actually have one of the models on the machine).  We are exploring other options for this.  One suggestion was group policy, but that again still pushing registry keys that people don't necessarily need.  We are looking at an option of putting the keys in a script on each machine that is then set to a scheduled job.  This way it would just be the keys needed for the scanner that is actually attached to the machine. 

I am curious to hear what others, that are trying to control the scanner settings, are doing.