>>Hi,
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>>One of my clients is having a hard time with a grid that displays 1200 products from her database.
>>
>>She's likes holding down the mouse button on the scroll-up and scroll-down buttons on the top and bottom of a grid's vertical scroll bar, but then, after about half a second of scrolling, the scrolling accelerates and it becomes too fast for her.
>>
>>Is there any way to disable this "feature"?

You might want to have the user adjust the pointer speed feature in their WIndows Mouse COntrol Panel applet; it's another setting that is applied cross-app on the Windows level.
>
>However, make sure she knows that if she clicks between the thumbnail and the top/bottom of the scrollbar it'll move the list up/down one "page" at a time. A lot of surprisingly experienced Windows users don't know this.