WTB: GBA equipment

[Ratamahatta]

I would like to aquire some gba equipment as I'm getting back into the handheld arena since aquiring the DS and an atari Lynx. I have more than enough game gear equip for the time being so i'm fousing on the nintendo side. I'm looking for the following if you have it

GBA SP

Any Castlevania game

GBA Flash Linker & Cart

Any accesories

Let me know if you have any and what price you are willing to let the stuff go for.