Here's a list of excellent resources for mouse enthusiasts, for both learning and shopping.
/r/MouseReview/ - the original!
Mouse Switch Master Sheet (by /u/ents) - ents.win/switches
Mousepad Master Sheet (by /u/hoyahoyaa - @hoya_ow on Twitter) - Spreadsheet
Mouse Modding, Teardowns, Testing and Comparison Videos - https://www.youtube.com/c/Beardedbob