I didn't hate golden sun on the DS, but I honestly thought that the two GBA ones were so much better that one almost felt like a dishonor to the brand. It is weird, I think the first couple just hit at exactly the right time with the right tone, theme, and mechanics, and when they tried to follow it up a handful of years later it just didn't sit as well with me. Not to say that I disliked it.
One of the Atelier games made it on to the DS, it is harder than hell to find but I love that series and I think that they did pretty well with that one. Considering the last time I answered I hadn't even played any of those games, I think it is a fair choice.