The ones that use the special plastic rolls that you can freeze and boil? I'm thinkiing of getting one, but have never known anyone that used one. Do they really keep food better in the freezer? I.E. Retains moisture and no freezer burn? Or is it no better than a tupper ware dish?
Appreciate any input advices......fuck I almost walked right into that one 
i have a food saver...i buy bulk meats and freeze them..i really like it, saves me tons
of money buying a shitload of meat when the price is good...i have not had any problems
with freezer burn or drying...i recommend it