Looking for feedback on broadhead selection. Here is my scenario and I knew if I posted here I'd get plenty of opinions.

Shooting a Hoyt Ultrasport at 50lbs 29 1/2 inch draw. I flared up an old shoulder injury shooting the bow at 60 and had no relief at 55 so I had the shop tune it as low as it would go. Unfortunately I had my arrows cut and set for the 60lb pull, shot 24 or so arrows when injury reoccured. 400 grain carbon Eastons and 100grain field points. I have only shot 100 arrows tops at 20 yds. I am grouping tight. Consistently out of 3 shots 2 will be within a dimes diameter and the third just on the fringe of that diameter. I know that the spine may make a slight issue since they were set up for 60lbs,but I'm not forking out for more carbons at this point and I am hoping through consistent shooting the body will adjust and I can creep up in poundage a little at a time until I am back near 60lbs. Woods I typically hunt will not allow for more than 30 yd shots. I am looking for suggestions as to what retractable/mechanical broadheads you folks have tried and like. Deer will be the primary animal they will be used on. I don't want to spend say more than $30 for 3. I am lazy when it comes to some stuff and I'd rather throw out the head and open a new pack than changeing the blades. Additionally, feedback on the smaller fixed blades would also be appreciated as I have heard some of these fly much like fieldpoints as well.