I prefer Iniesta's dribbling as well since its indeed so elegant. Iniesta has no physical attribbutes to help him out, he is a weak, short, slow man yet in his prime was insanely difficult to get off the ball since his control was perfect, maybe even better than Messi for me. Messi at times can lose the ball when pressured leading to counters where as Iniesta being attacked by 3 guys leads to nothing cause het gets out of it somehow.
Watching him switch geares when dribbling like he did vs PSG but so often in his prime is beautiful to watch.
In 2012 he was often our best player on the pitch even if Messi was scoring every game, you can check the motm threads from back then if they still are somewhere on this site.
Thats why it was so hard to watch the Bayern game, never saw Iniesta getting bullied and owned like that, Javi Martinez controlled him that night.
So while Iniesta and Messi ahve different styles, and Messi attemps more to create while Iniesta does it to get out of tight spaces I think whats most comparable is their ball control when dribbling. Iniesta probably has been the one with arguably the same or better ball control, be it at a slower pace.
Imagine if we still had prime Xavi/Iniesta behind MSN now, we would rule for years.