We had white boxes with Ferrero Rocher chocolates inside, they were tied with ribbon in our colour and had the guests name on them (so they doubled as place cards). I think most of the choccies were either eaten on the night or taken home.
To be honest, engraved wine glasses and stuff like that looks nice, and I would take it home to be polite, but the reality is, I never use them (mainly because its got someone else's details all over them
) - I'm not into keepsake things from my own life, let alone others peoples! I find it is just clutter and I like simplicity, so I normally tend to chuck them out after a week or two. Not that I would ever tell the bride or groom that