Keifer113 said:My post must be unclear....
I want to play either a MT OR a fighter/mage of some sort.
So are MT's any good?
It depends on whether or not you're planning on taking any of the faster spell access Prcs (Ur-Priest, Sublime Chord, etc.) Mystic Theurge can be a powerful compliment to such builds, if used correctly. Here's an example:
Wiz 5/Mindbender 1/Ur-Priest 2/Mystic Theurge 8/Fatespinner 4
This nets you 9th level arcane and divine spells and you only lag behind 2 levels on your wizard casting. The benefits far outweigh the penalties, IMO.
Another example of good MT application utililzes both UP and Sublime Chord:
Bard 6/Mindbender 1/UP 2/ANYTHING YOU WANT 1/SC 2/MT 8
Again, 9th level arcane and divine spells with only a 2 level lag in arcane spellcasting.
If you're just planning on a vanilla Wiz/Clr/MT, it's probably not the best option. I'd go with the Ftr/Mage in this case.
Either way...just my 2 cp