This movie was so true to the originals that it could have been made two months after the last movie, and I wouldn't have been surprised! Cheesy dialogue, silly/impossible fight scenes...everything was classic Indy! The only things updated for the 21st century were the visuals.
Like a lot of people, the climax and major plot points leading to it were a little strange to me because it's not something done before in an Indiana Jones movie, but it didn't make the movie any less likeable to me, what with all the classic-Indy love going on in the film. I've seen it twice!