When we were shopping for a minivan in 2007, the Entourage was actually quite high on my wishlist (is there such a thing when talking about minivans? 
) - we liked the space, the excellent interior design, the very attractive dash, plus the fact that the Hyundai dealers don't go all (to borrow somebody's expression from their Mitsubishi Galant posting) "Honda" on you. That was, until we drove it. We drove a 1-year old demo, and it was loud, groany and boomy, and had a number of squeaks and rattles. Oh. Okay.... We ended up buying a Honda Odyssey, so I got the privilege of crawling on my hands and knees to the Honda dealership to beg them to let me buy an Odyssey from them. 
Very similar experience to yours. I tried the Entourage after I drove the Freestar and Caravan, and thought I was in automotive heaven.
Before I signed the deal, I thought I should just "try" an Odyssey to see if it was worth the extra $5000. I bought an Odyssey.
The Odyssey is not perfect, certainly, but a co-worker has one of the 07 Entourages and is counting the days till the lease is up. He is often driving a Sonata, Elantra, or even Santa Fe as his van seems to be in for warranty work more than my 93 Intrepid (that I joked I "shared with the service manager").
He tried to deal it early on a Santa Fe but several Hyundai dealers said "no", that it was so upside down in value that he had to go the full length of the lease, and even then they would be checking it with a fine tooth comb for wear and tear, damages, etc.
