Preferably not a Supercard because of the slowdown. DX took most of their's down (which pisses me off to no end), so now I'm resorting to you gaiz. Every other website's prices are outrageous.
I don't need one anymore, I bought an EZ-flash IV for 29.95 off some Chinese website. I've read on GBAtemp that they are legit, so I was like.. I'll buy it.