I also am very pleased with my LEM 3/4hp grinder size #12. I run around 20 deer per year through the thing and it doesn`t slow down, and will take it about as fast as you can feed it, and I`ve been doing this for my family for 20+ years. I once had a cheap grinder and it was the worst investment I`ve made. It took forever to grind one pound, much less an entire deer. DO NOT try to save and skimp on a grinder! Buy the very best that you can afford. It`ll be well worth many years of use!
The initial cost may cost you, but like anything, once you have everything you need, it`ll all be worth it, and very rewarding.
Now here`s the part that most will think I`m crazy! Going back to saving a little money. For as long as I can remember, I save all of those 16oz (ie.sour cream) containers. Those things hold exactly 1 lbs. I have well over 100 of those things and those are the first thing I fill when putting up burger. They stack easy and don`t cost anything, much less the cost of constant purchases of freezer paper.
I also have a regular LEM crank style cuber.
One bit of advice, once you finish processing meat, whether through a grinder or cuber, immediately clean your equipment. That meat will stick like glue and you`ll go through heck trying to clean it. I use a stiff brush for the cuber for the initial cleaning before washing.