www.imaging-resource.com for scanner reviews of them all.
Here, I'd go with the Minolta Scan Dual IV for $350 from
www.bhphotovideo.com today new instead of the III. Higher resolution,
faster.
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Otherwise, the $800 Minolta Scan 5400. No point going for something
with lower resolution at this price - totally packed with everything
you'll ever need.
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That said, you can get away with 1) $59 Epson 1660 Photo flatbed scanner
with 35mm adapter at Fry's Electronics refub'd and elsewhere. Why pay
more when you're doing web work? You're definitely not going to be
uploading 3000x3000+ images, right? 2) digital camera with slide
adapter lens attachment (eg. Nikon 99x/95x series with such). Very fast
way to take 'scans' of film. Just press the shutter button. 3) Find a
local lab with a digital film processor. eg. Flashback photo in
Westminster, CA has a Noritsu QSS-3011 and can scan ~1500x1000 images
from film to CD-R discs. ~$1/frame, but far, far faster than you'd ever
get done at home for a few rolls of film, built-in scratch & dust
removal through ICE in the Noritsu, and the operator can do a fast color
correction faster than you can.
Sometimes, honestly, it's not necessary to spend $$$ on 'scanning' just
for fun & web. A basic scanner can do it all.
But, if you're looking to archive negatives in the future, at least the
Minolta Scan Dual IV.