Re: in mast furling issues?
In mast furling is worth the many troubles it creates (out-haul jamming being the most common but easy to overcome by going to the mast and pulling the foot of the sail by hand, then pulling the out-haul again). There is never a problem rolling the sail back in except sometimes just getting the tack inside the mast by itself (again, easy to solve by walking to the mast and shoving it in). Besides, any conventional sail can also jam when you need to lower it and the trance is more serious if the sail is not loose footed as in a furling system.
If you ever need to find perfect balance while heaving to in bad seas the ability to fine mainsail area from the safety of the cockpit is invaluable.