Hello,
I've posted a lot of cels from my collection for 
sale - some very nice cels (IMHO).  
direct link - http://ryen.net/sale/cels.html or 
you can get there from my main URL posted above.

These cels have just been posted :

Marmalade Boy
Rurouni-Kenshin
Bakaretsu Hunter
Inuyasha 1997 Commercial
Bastard!
Tenchi Muyo
Key the Metal Idol
CLAMP Campus Detective
Urusei Yatsura
Ushio to Tora
The Vision of Escaflowne. 

I also have cels up from : 
Akai Hayate
Akazukin Cha Cha
B't X 
Battle Athletes OAV 
Battle Athletes TV
Card Captor Sakura 
Cutey Honey Flash
Earthian
Gundam Wing
Inuyasha TV
Magic Knight RayEarth / MKR II / OAV 
Miyuki-chan in Wonderland 
Monecalle Knights 
Oh My Goddess! OAV
Ranma 1/2
RG Veda 
Tenshi ni Narumon (price down)
The Slayers 
Vampire Princess Miyu OAV & TV 
X / 1999 
Yu Yu Hakusho 

Please take a look if you're interested.
Thanks,
Anna