Recommended brand(s) of home vacuum food sealers?

These previous threads on the topic include some suggestions: http://food52.com/hotline/11023-does-a-food-saver-unit-work-any-better-than-the-grocery-store-freezer-bags-that-you-can-extract-the-a and http://food52.com/hotline/1074-what-s-the-best-way-to-cook-freeze-food-that-still-looks-good-after-it-is-thawed-to-serve-at-a-late