I am nearing completion of a Toyota archive where I have obtained and scanned every single US-market Toyota, Lexus and Scion brochure that I have ever seen. That's over 1000 brochures scanned at 300dpi.
I'm starting a project where I am going to do the same thing for Nissan, but I need the help of collectors to make it happen. I bought an oversize scanner just for the big brochures and if you would like high-res scans of your large brochures I can do that. I will provide a CD with the high-res images when I return your brochures and I can provide plenty of references from Toyota collectors who loaned me brochures and received them back in perfect condition. (Borrowed hundreds of brochures from dozens of collectors and never damaged a single one)
Just beginning this project (and Honda, too) so I don't have much yet, but when I run out of loanable material I will begin buying and selling brochures on eBay just to scan them. It gets expensive, though!