Summary of Reddit Comments on Best E-Readers:

Kobo

Kobo Libra Color: Praised for independent features and screen space that closely resembles an A5 page.
Kobo Clara: Recommended for budget-friendly options with good screen sizes and ergonomics.
Kobo Libra Colour: Highlighted as the best choice if willing to spend extra for a seven-inch screen and user-friendly features.
Kobo Sage: Users express satisfaction with Kobo devices due to various features and customizable options.
Kobo Elipsa 2e: Chosen for its large ten-inch screen size.

Pros:

Customizability and user-friendly interface.
Good selection of devices with different screen sizes.
Ability to sideload books easily using Calibre.
Independent from Amazon ecosystem.
Features such as page turn buttons, ergonomic design, and water resistance.

Kindle

Kindle Paperwhite: Praised for a good price, large book library, reading customization, and dark mode.
Kindle Paperwhite 12th Gen: Users had positive experiences with the device.
Kindle Saga & Kindle Paperwhite Signature: Users find Kindle reliable but mention limitations like ecosystem lock-in.
Nook Glowlight 4: Recommended for its page turn buttons, battery life, and user-friendly interface.

Pros:

Wide selection of books and a large library.
Seamless integration with Amazon services.
Comfortable reading experience and customization.
Easy sync with Libby for borrowing books.

Pocketbook

Users recommend Pocketbook devices for expandable SD storage, compatibility with third-party vendors, and ease of use.

Pros:

Expandable storage.
Support for third-party vendors.
User-friendly interface.

Boox

Boox Go 6 & 7: Recommended for Android flexibility, compatibility with apps like KOReader, and expandable SD storage.
Boox Palma series: Praised for compact size and improved buttons.
Boox Go 7 BW: Suggested as a good alternative for Android flexibility and features like expandable storage and page turn buttons.

Pros:

Android-based for flexibility and app compatibility.
Customizable options and features like expandable storage.
Good for sideloading and installing alternative reader software like KOReader.

Other Recommendations

Tolino Shine 5 and Vision Color: Suggested for quality and features, especially when on sale.
E-readers with compatibility for KOReader are highly praised for their versatility and customization.
Bigme B6 & B7: Mentioned for budget-friendly color e-reader options.
Meebook M7 & M8C: Users share positive experiences with these devices for their features and size.

Pros:

Budget-friendly options.
Versatility and customization options.
Good display quality and user-friendly features.

In conclusion, the choice of the best e-reader depends on individual preferences such as budget, desired features (e.g., waterproofing, expandable memory), and ecosystem lock-in. Kobo devices are popular for their customization options, compatibility, and user-friendly interface, while Kindle and Pocketbook are also recommended for their reliability and functionality. Boox devices are favored for Android flexibility and features like app compatibility and expandable storage.