First off, hi I'm new to the GBAtemp.net forums. Ok, now I have just purchased an R4 card. It's a (from the box) R4 III Upgrade Revolution for DS (NDSL/NDS) plus it's SDHC compatable. I purchased it from ishopvideogame.com if that helps.
I am completely new to the R4 cards, I have only used DS...