wtf?! Your kidding right, 51$!?, it costs about 23 in a site I know, which is like 11 pounds for you. But yeah you're better off getting that as a SIDEKICK to the R4 because the R4 doesn't have any GBA compalibility. The EZFlash 3 in 1 ain't bad because it has 3 in 1, but the GBA function only fits 1 game, like dslitemodder said. You're better off getting an R4 and some other GBA slot piece. You only need RAM for the Opera browser, which sucks anyway. The rumble is only meant for a limited amount of games, and trust me, it ain't something you'll really need or even enjoy, when you're playing EBA.