the Batmobile in Begins looks a lot like the BatTank from Dark Knight Returns, so why they didn't go all the way with that I dunno. The bike that'll be in the second film however looks goddamn-fuckin'-goofy and is there for no other reason but selling toys.
Sam Hamms first draft for Batman (
http://www.dailyscript.com/scripts/batman_early.html) had a lot more screen time for Batman doing his thing, developing Bruce Wayne as a character, and so on. But of course Tim Burton has to screw everything up with his 'unique' 'artistic vision' - although we have been spared the worst of what he intended: one of the Wayans brothers as Robin!
Only thing I've liked about the 89 film is Anton Fursts production design (another place Begins fails, they made Gotham a normal looking city).