Originally Posted by Illven
If you do, I find the easiest is Ruby/Emerald with a Mudkip.
I figured I'd just do one of the more recent ones for ease of transferring pokemon to BW afterwards. I have to say though I'm kind of surprised at the prices though, most of the pokemon games are sitting around $15-$25 used. I expected a little less... But I guess that's the popularity of pokemon for you.