"Xcode 4 is a free download for all members of the iOS and Mac Developer Programs. Log in to your account to begin the download." - from the Xcode download pag

"Xcode 4 is a free download for all members of the iOS and Mac Developer Programs. Log in to your account to begin the download." - from the Xcode download page. Slightly annoying that it costs money now, but $4.99 for a full featured IDE (even one that used to be free) is still a pretty good deal.