http://www.hammacher.com/publish/74083.asp?source=Overture&keyword=35mm+slide+scanner&cm_ven=NewGate&cm_cat=Yahoo&cm_pla=OtherProducts&cm_ite=35mm+slide+scanner&OVRAW=35mm%20slides%20scanner&OVKEY=35mm%20slide%20scanner&OVMTC=standard&OVADID=35480757011&OVKWID=214102965511

straight google - first result. They're out there, Rosie ! ! In my case the problem is coming up with the C-Note. I never thought I'd need one when I was taking all those slides ! !  

Then again, trying the white background thing and adjusting the colors in photoshop might work if the slide is light enough but you're talking about a LOT of megapixels ! !