I used both and prefer tubless, I do agree you have to have quality strings, and yes you can risk peep rotation during the moment of truth. I notice it the most when I jump up in poundage. My bow are set at around 65 pounds in the offseason but early to midsummer I crank them up to 70 to get ready for the elk season. If I change out strings I like to do it late winter early spring so that way everything issettled by August. I have had a few problems with peep rotation when Ijump upto 70 pounds but its a easy fix with a bow press.I also do carry extra stings and a portable press with me into my archery camp. I have yet to havepeep rotationmess up a shot on big gameor any other live game for that matter. But if it did I am sure I would think twice about it and would want to use a tube.About 3 years ago I didhave a problemwith a brand new string during a 3-D shoot.I stopedhalfway through, wentback to club house/indoor rangeand asked to use their press. Ifixed the problem andfinished the shoot.I do allthe work on my own bow and I also work part timein a pro shop so I am not a green horn when it comes to working on archery equipment. That being said I do agree the average archer is better off suited being set up with a tube on the peep. It amazes me how many archers lack the know how to make the most simple repairs on thier bows.