I upgraded my Epson V600 scanner to an Epson V850 Pro! Not affordable in the slightest, but still 1/3 the price of a CoolScan. Here's some comparisons. Stop dissing on flatbeds! :
Help! Lines in scans Epson V550 : r/filmphotography
Perfection V550 Epson, le scanner qui supprime automatiquement la poussière et les imperfections - Le Monde Numérique
Amazon.com: Epson Perfection V850 Pro scanner : Office Products