Usanime: Has a few neat merchindices like Pencil boards and a few phone cards.

Animenation: I believe they have Rurouni Kenshin CDs, artbooks, and mangas.

Anime Castle: A great store, this one has alot of Rurouni Kenshin stuff like Cels, Videos and Posters.

Anime Plus: Owns a few CDs and models for sale, not much of Rurouni Kenshin though.

Firefly Anime: Has Rurouni Kenshin manga and Rurouni Kenshin Playing cards for sale! ^o^

House of Anime: I believe they have Rurouni Kenshin on DVD there.. ^^;;