I enjoy reading about other peoples' finicky relationships to books. Why? Because it makes me feel better about myself. Like, I might spend all of my money on books (buying them and shipping them from place to place as I move across the globe) but at least I'm not finicky about the books themselves.*  It's enough just to have copies of the books I want/need/can't live without in my present physical location. I don't feel I have much of a right, beyond that, to pay extra money for them to look a certain way.

Take this guy.  I would feel an unbearable amount of guilt if I were this fussy about my books:

Things I like:

• hardcovers!
• first editions, first printings
• clean, white pages without remainder marks (remainder marks are when
  unsold books get returned to the publisher, and are then re-sold later
  at a discount, often resulting in a black marker line across the pages,
  or sometimes a stamp)
• unclipped dust jackets (and the nicer the condition, the better)* [FN: a PLEA: stop clipping the price off the dust jacket!
  it's not like the person you're giving the book to as a birthday present
  doesn't know how much a book costs]
• American editions—I don’t pursue foreign editions of anything, but
  will buy a UK hardcover if the book wasn’t issued in hardcover in
  America (e.g., Nicola Barker’s Darkmans, Sam
  Lipsyte’s Home Land)
• books signed by the author
• bookstores that wrap all their hardcovers in mylar dust jacket
  covers and don’t carry trashed books
• knowing how many copies of a book were printed—I own bibliographies
  of some of my favorite writers—Gilbert
  Sorrentino, Donald
  Barthelme, etc., in which scholars will often go through old
  publishing house records to determine print runs on books; sometimes in a
  book (particularly with small presses) the number of copies published
  in the edition will be printed somewhere
• dust jackets that feature art different from any other edition that
  came after it

Things I don’t like:

• ex-library copies
• books with the owner’s name written in it, unless the owner is a
  writer I like
• bookplates
• books inscribed to a friend from the gift-giver
• books inscribed by an author to someone who isn’t me (though I own a
  couple)
• paperbacks
• ugly books—you know the ones—books that look out of place in a
  nicely-arranged bookcase—I find the Penguin paperbacks with the lower
  half colored that nauseatingly bright orange to be pretty repellent
• WHEN BOOKSTORES STICK THOSE GOLD “AUTOGRAPHED COPY!” STICKERS ON
  DUST JACKETS, ESPECIALLY WHEN THE DUST JACKETS ARE MATTE

So. Here's a list from a low maintenance bibliophile:

I like

• paperbacks

I really like

• Gallimard Folio paperbacks
• those Penguin paperbacks with the bright orange spines
• shelving my Persephone and Virago books all in a line (and Seuil, Flammarion, NRF, etc)
• books in a series with a picture across their spines

I'm sort of ambivalent about

• getting books signed by their authors
• first editions, early editions, old books in general (I won't ever read them, and isn't that the point?)

I don't really like

• anything fussy (hello, Alain de Botton)
• hardcover books (they are heavy, cost more, are expensive to ship, and
  impractical to tote around in my bag)
• being made to feel bad about scribbling all over the margins, underlining, dog-earing, etc.

…And I write my last name in capital letters in the upper right-hand corner of the title page of all of my books as I read them. So there. 

*It should go without saying that they must be actual physical books. No silly e-readers for me.