Hmm.. I'd have to say.. Kaoru as well. Yes, Tomoe 
was nice as well.. But.. I think Kaoru and 
Kenshin make a really cute couple ^_^... 

As for Kenshin cels.. I have only 3 myself ><; 
Two are of Tsunan Tsukioka (really hard to find 
ones of him oO`) the other is of Sanosuke. I'm 
very much still in love with those cels though 
o_o.....So mine aren't for sale =/... I'm sure 
some other nice person will help you with getting 
your first Kenshin cel though! ^_^