Forum Moderators: phranque
I use Adobe products to make a living and, other than InDesign which I think is overrated and prefer QuarkXpress, the other products don't really have much competition in the professional arena.
Corel are the main competitors, although they aren't really in the same league and Microsoft have Expression, which I've never really looked at.
Also, what parts of Adobe CS3 do you mean? CS3 includes everything from video editing suites, to DTP packages, to Flash, to whaterver...