Not at all.
Unlike the Psion comparison I made above, most Warlord fans want pretty much the same thing. The differences are generally quite small, often focused on:
Is the class more "lazy" or more personally active? (The former leads to "Noble" type preferences; the latter proceeds to the next question)
Are its tactics infinitely reusable, or resource-based? (The former leads to something more like an At-Will based Warlord; the latter proceeds)
Are its resources whittled away by spending, or built up before spending?