What is the best DS RPG title?

[Lolcislaw]

Khuutra said:
FFIV DS. Or Chrono Trigger.

DQIV is also a blast, but I hear DQV is better.

Im really interested in DQ IV and DQ V, DQ IV more at the moment because i saw it for about 10 pounds in a shop, which would be a great addition to Chrono Trigger. Worth buying?