I started using a vac sealer for fish last year after getting frustrated with mushy tasting frozen Walleye. I used to use the ziploc bag filled with water method, and no matter how quickly I thawed my fish they just didn't have the same texture as fresh. Now that I switched I can't say I taste any difference betwene fresh and frozen. I have a couple questions for those that have been sealing their fish for a while. 1)Do the vac packed filets keep any longer before yellowing/losing quality? 2)Has anyone found a good/consistantly lower cost place for buying the bags? To me the cost of bags and a slightly longer freezer prep time are the only draw backs of using a vac sealer. I made two fish prep leaps last year, the vac sealer and learning to zip my filets. Both thumbs up in my book.