I wanted to post our experience with MFSR ride during the reservation period, but I think it applies in general. We did NOT end up getting a
DAS return time. We got in line at a 30 min posted wait time (this is within my son's ability to tolerate). It ended up being an accurate wait time. The queue is actually very visually interesting and it is largely a single file queue, without switchbacks (we skipped that portion that had switchbacks outside, as the line wasnt long enough). The worst part was it was LOUD. My son needed his earmuffs for most of the line, as there is radio "chatter" at a loud volume and every once in awhile, loud mechanical noises and hissing from compressed gas being released. I like that this line doesn't feel claustrophobic, though, which is a sensory issue for my son (he can't handle being surrounded on all sides by people, like what happens in some queue holding rooms). They do not overload the holding room with the Hondo preshow, nor the MF chess room. It is very relaxed and enjoyable. My son liked being in the MF. Not sure where the DAS entrance sends you, but there is a chance that it skips the preshow, which would be a shame.
My takeaway is, try and do the line at least once IF you think you/your child can handle it, because it is pretty neat. The line moves constantly and efficiently so you keep moving for the most part, since there is no FP yet. It didn't bother my son at all, but I will use the DAS in the future if the waits are exorbitant and he really wants to ride.