TOB will run smoothly on a Athlon, though IWD can have some issues, espacially the HOW expansion (GRRRR).
Citizen Kabuto I have never tried, but I heard the graphic is rreally good and that alone can be worth the go for your new card!
ENJOY YOUR LITTLE MONSTER! D:
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Howling to the moon, cause this world seems so far away..
Wolfgirs lair
once-upon-a-paper