Im having loads of these issues.
http://i42.tinypic.com/54h9iu.jpg
http://i39.tinypic.com/ivenv9.jpg

The dragon in the start dont have textures aswell.
More of em here http://imageshack.us/g/194/screenshot200k.jpg/
I have no lag of performance issues. Just loads of these. My weapon is sometimes visible in the dark but in the light i cant see it.
The dragon in the intro mission goes invisible when hes about to land on the tower. Also he have no textures like most of the creatures.
I've tried tweaking graphical setting up and down all possible ways. Same issues on everytime.
I have:
Intel Core i7 Quad Processor i7-950
Corsair Dominator GT DDR3 2000MHz 6GB
ASUS Radeon HD 5870 1GB GDDR5
Win 7
Drivers are up to date
DXdiag: http://pastebin.com/15j4YfFq

I have this problem as well. Sometimes I can just re-start the game and it's fixed but most of the times it stays for a while. I can overlook a few pink rabbits running around, but when I the whole city Riften is like that it's kind of annoying.

I'm having invisible heads at times when zoning into areas like shops and taverns.

I've also seen weapons float up in the air slowly and just continue floating up

And when I try to fast travel far away, like from dragonsreach to solitude, my game crashes. Tried it 5 times. Crashes.

My game seem to tab out to for no reason.

I have:
AMD Phenom II X6 1100T 6 core 3.3ghz
HD 6970
win 7
8GB Ram

Aye my game crash aswell when i get to a loading area.