Thanee said:
Yep, altho the WotC website does have some weird stuff every now and then. Assuming, that this was actually changed in 3.5 (that is, that familiars get darkvision now, which I think they do), it could very well be, that the authers just weren't aware of this... however, some of the stuff seems to be written by guys who should know it.
More examples can be found in the DMG under the section Alternate Familiars by Master Size. Many of these list Light-Vision as a SQ, but none mention Darkvision. It still begs the question of why one would be specifically mentioned (ie Low-Light), but not the other (Darkvision), when both are traits gained by Magical Beasts?
I do accept, however, that just because these are examples supplied by the official authors of the rules, it doesn't follow that writers necessarily know them all

This has all too often been proved in the past...
Thanee said:
@[font=Arial,Helvetica,sans-serif]PallidPatience: I wonder where you find darkvision explicitly spelled out under the sorcerer's familiar entry... not in my book at least!

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Mine neither!
I must admit that I am open to persuassion on this. Those that claim familiars get Darkvision as part of their change to the Magical Beast (Augmented) type have a valid and well supported argument. For me, it just comes down to how you interpet the line: "
for the purposes of any effect that depends on its type."
The sentence isn't very clear - but it
does represent a qualifying statement to the attributes of the familiar when it gains the Augmented subtype. It is, if you like, the "
unless" part allowed for in the Magical Beast description.
To me, it begs the question: do you consider Darkvision an
effect or an
affect? What side of this particular line you sit on will, of course, sway your opinion.