ulead you can do basic stuff and make ur menus in photoshop but animation isnt that great. i suggest Adobe DVD Encore. Takes some time to get used to, but really dvd studio pro is really good and userfrinedly for macs.
first off all you people who are saying to go buy a mac really arent helping the kid, but anyway go look around www.sonic.com, they have a ton of different types of dvd programs from easy amatuer ones to ones that are used by the pros for major motion pictures so you can find something good their. Avid liscences their stuff and uses their software for dvd creation