Maybe I've just been used to the D&D wizard for so long this sort of thing never bothers me. I always accepted them as a class which starts sort of weak (the operative word being "sort of" -- a well-used spell, plus familiar powers, can be a lot more effective than any number of fighting abilities, particularly in an out of combat, "surprise! I am a spellcaster!" fashion) and then gets progressively more awesome until at high levels they completely rule.
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Spellcasters are characters who require resource management and planning. In my last 8 years of playing D&D3.0, 9 out of 10 of my characters were spellcasters (4 arcane, 5 divine), so I don't see why some people find them so hard to play...