Best E-Reader for Someone Who Reads Textbooks AND Novels

For Whom/What:

grad student, heavy annotator

Budget:

$150-350

Requirements:

Handles PDFs without reformatting issues

good for handwritten notes

battery lasts multiple days

Extra Details:

: Torn between a Kindle Scribe and a reMarkable. Everyone who owns either seems weirdly loyal to theirs, so trying to get past the fanboy reviews to what actually works day to day.