The 16 second cast time makes this clicky effect virtually useless in my eyes. I've had this robe for quite some time, and have NEVER used the DS, not even to PL friends.
16 seconds is FOREVER.
I'd rather mem the spell and cast it, then med for the remainder of the time rather than stand up for 16 seconds.
i guess if your outdoors, and have a horse, it might be useful if you dont already have the better DS, but 16 seconds just makes it crappy.
but the robe rules with or w/out the effect just for the stats imo.