Almost all of my books went the same way, charity shops . . it's amazing how much free space you suddenly acquire once they've gone.
I use 'cool reader' on the PC, Laptop, and a cheapo 10" tablet for my thousands of Epubs, with 'Calibre' to convert any Mobi books I come across.
Wife keeps wanting me to get rid of my Albums (records) too but they're staying
edit: sorry Paul, was trying hard not to write a novella and missed your post.