As I see it, you basically have two options:
VueScan
SilverFast
I use VueScan myself, simply because I don’t like the license model of SilverFast (or their website). SilverFast looks relatively slick, although it doesn’t rock my boat, VueScan looks (and feels) very not slick.
Scanning is not fun. It’s a tedious process and it’ll probably take you a while [...]