If I Were You....
....I'd pay careful attention to those who are telling you that a chest freezer requires baskets and a strong sense of organization to use for small items.
They're really better for those who store larger stuff like roasts and the like; getting to a specific small container of something can become pretty involved.
The upside is a chest freezer's greater efficiency. By the nature of their design, upright freezers allow a lot of cold air to "fall out" of the freezer when the door is opened. Since cold air is heavier than warm, the cold air in a chest freezer stays put when you open the lid.
One upside of uprights is that they're easier to place in the kitchen proper, where they can become an integral part of the cooking process, rather than a storage unit one visits when necessary. Small bits of things can go into an upright to make future meals easier, like leftover meat or small quantities of stock or sauces.
The best freezer tip I ever found came from Dorothy Rodgers, wife of "Sound of Music" composer Richard Rodgers. Dorothy was an extraordinarily accomplished cook, and one of her favorite tricks was to freeze chicken or beef stock in ice-cube trays, then put the resulting cubes into freezer bags. Each cube contains almost exactly two tablespoons of stock, so if you need a half-cup of stock, you reach into the freezer and take out four cubes, or eight for a cupful, or whatever you need. Very, very handy - and even handier if you have an upright freezer in the kitchen, as she did.