I have not been playing because I love all the items in this category. But I suppose now that we're getting down to it, I do love some more than others, a bit.
Alchemy Jug 21 Bag of Holding 18 Bag of Tricks 22
Broom of Flying 21
Carpet of Flying 21
Alchemy Jug 21 Bag of Holding 16 - A magic item that only exists to allow players to ignore an obnoxious game mechanic... which you could just ignore anyway.
Bag of Tricks 22 Broom of Flying 22 - Why would you not want to be a witch?
Carpet of Flying 21
Alchemy Jug 21 Bag of Holding 16+1=17 Iconic.
Bag of Tricks 22 Broom of Flying 22-2=20 There are better (and less ridiculous) ways to fly in D&D.
Carpet of Flying 21 Like this, for example.