Agree. Have not any experience with Brother Twain drivers but quality of Twaindrivers vary a lot. But this is not the fault of Twain standard. In my experince the ISIS driver is usually of high quality, they are probably tested qute a lot and reliable. But so are Twaindrivers from many manufacturers also, like from Canon DR scanners and Panasonic document scanners. With Twain you may create a driver with minimum effort and make it work to a certain degree with most (all most all) Twain compliant programs. And the manufacturer may choose how much effort they want to put in development into SW driver – functionality and quality. So if you have a cheap “home” scanner do not expect a high performance driver with a lot of functions – actually you do not need it because you will not buy a $200 scanner together with scanning software to $2000 and vice versa. Also, again based on experience, putting too much “advanced document processing” functions into the scanner itself is not good. In some case it will work but very often not because of the wide varity of type of documents customers scan. Like automatic detection of blank pages and so on. It is much better to put such funtionality into the receiving application. Such fancy stuff costs if they are put into the scanner. Then when the scanner is worn out you will have to pay for this again. If it is in the software (scanning program) tou may use these functions again and again, also on existing historic files, from MFDs or whatever.