awwww im so glad to see one of my long ago parted 
cels again in someone else's gallery ^__~ That 
Tomoyo looks great in your gallery Baakay~! =)

I, myself, used to have that nasty habbit of 
buying everything in sight (thus is why they call 
me a shop-a-holic) so its more often than not im 
parting with a cel. But most cels I have a very 
very hard time letting go unless im desperate for 
money. So i'd say when the situation calls for 
it, then let some go. If you're tired of them, 
let them go too because someone else would love 
them more. Price them at what you got them for, 
if you dont remember, then just put up a for 
offer sign. if that dont work, then stick it on 
ebay