Hello all; I have a friend who is selling his drill doctor for 50$. The model can be bench mounted. I have used it a few times, and just find the set up time seems long and I just tend to go to the bench grinder and do as usual with my normal upward twisting motion that I have used all my life. He loves this thing, he bought the upgraded version and wants to sell me his old one. I wanted to know if any of you guy's have one of these contraptions, and if so, do you like it? Does it perform as "seen on TV"? The one he would be selling me is this one. http://www.homedepot.com/p/Drill-Doctor-Drill-Bit-Sharpener-XP2/100375865 Every time I have used it, I found I could not get an aggressive pitch angle. Is the Drill DR set @ 120degrees? The product states it has variable relief angles, I could not seem to get those to work. My buddy just chucks them in there and whirs away and swears on a bible that the bit will chew. I was not impressed, but maybe it was lack of knowledge on how to use the contraption. I am soon to be 42yrs old, so I am mid old school. Leaning more on old school. IDK, I want to try something new, but I was not as thoroughly impressed. Every one else seems to be. I worked for a few shops that had them, and they just seemed to gather dust. Maybe I am just not using it right. Before I buy it, I will play a drill bit time game with my buddy. I will sharpen from blunt tip, as will he. If when I am done with my technique on the bench grinder, and he is done on the drill dr, we will see which bit chews the deepest and still has a biting angle left. If he beats me, I will buy it. Anyway, just wanted feedback so I make an educated guess. I don't want to buy a 50$ paperweight.