They actually dumbed down 1-60 a fuckton. That said, I still haven't found the will power to level another character from start to finish. I did my hunter 1-60 3 or so years ago, then 70 with the launch of BC; sold that, my friend gave me his rogue, leveled that to 70, and have been playing that since. I actually don't mind 60-70 at all, strangely enough. I've done that about 5 or 6 times on friends' accounts for gold.
I guess it all depends on the person though, because I know people who have spent more time on the game leveling up characters than doing anything else.