I'm having a great time with it. It's not perfect by any means, but neither was the original. Yes, I'd like the jumping in DT:R to be a little less floaty but I got used to it and have been kicking tail. And I would have liked swimming in Scrooge's money bin to have a few extra dynamics. Like maybe he could play with an earned treasure to trigger a mini-game. Or have him do different swimming strokes.
I think as a love letter to the original, WayForward nails it. And it almost seems damned if you do, damned if you don't. Add too much to it and nostalgia freaks complain that it's not true to the original. Don't do enough modern enhancements and everyone complains you just ported or ROM-dumped it without doing anything. In this case, I think WayForward got the balance just right. I LOVE how each stage feels like an interactive episode of the cartoon.
Would a modern gamer born after 1990 appreciate it as much as oldheads like us? Probably not, because they didn't grow up with DuckTales. Like I remember my parents showing me this old movie they really liked. It was a solid movie but there was this one explosion scene they were totally ga-ga over and hyped it up for me. When that scene came, the explosion was weaksauce for me because I've grown up in a cinematic era of epic explosions. Back in my parents' time, explosions were uncommon in film, so that one was the biggest of its time. I appreciated that scene for its historical significance, but I didn't get that visceral feeling from it like my parents did, because they remembered back when they were kids.
So, basically, DuckTales: Remastered is a game 100% for a particular niche and that niche will love it.
I think this video shows the best side-by-side comparison:
http://www.youtube.com/watch?v=_pkk7JXS24w