Mike - I'm not familiar with the term... "mid buster", but that is probably irrelevant to what I have to offer. Right now, scrap metal has once again become a worthwhile commodity. 2 years ago if you hauled something to the scrapyard - you were lucky if they even took it. Suddenly, the far east has been buying up every scrap they can get from the U.S and bumped up not only the market of scrap iron but have driven up the costs of the finished product. Most of the U.S. manufacturers have had to add a (hopefully temporary surcharge) to cover their expenses by as much as 10% per pound on the finished product. I, myself, usually opt to purchase a well built machine and has the strength to do the job for years to come. I don't know of TSC and am not making a derogatory statement against them. Good luck in your purchase Mike and remember why the heavier one costs more.