I think most of us are fairly interested in cover choices, especially if one book gets a lot of different ones. So I thought I'd turn this post over to various A Confederacy of Dunces covers -
The one I really like was actually from a competition to make Polish covers for favourite books; I don't think it was every published in this edition. More details here.
Which is your favourite and least favourite? My least favourite, by a country mile, is the hideous neon one which seems to abound in bookshops currently - the fifth one down in this post.