vacuum sealer

Do you know which one is which? External machines are of the classic ones that vacuum seal the bags of food from the outside of the machine by sucking the air out & pulling the bag tightly around the food so as to lock out damaging air & spoilage in time. Chamber type machines have an inside...

I know there have been some discussions about Foodsaver vacuum sealers but didn't see anything about models, pros and cons. What kind of Foodsaver vacuum sealer do you have and what do you like/dislike about it? What bag sizes do you use or is it easier to use the roll for custom sizes? I'm...