>>11288041For Digivices, it's a tie between the D-Tector Ver. 2, and the Bandai Asia Fusion Loader. Had a blast with both with the amount of Digimon you could use. Especially the latter, for managing to fit in a quest covering the entire series, something not even the original can claim.
For V-Pets, it's another tie between the Digimon X ver. 1 and the Pendulum Cycle Ver. 8. The Pendulum Cycle is frustrating at first, but once you overcome the steep learning curve with evolution requirements, it's kind of fun. Still hated the evolutions resetting at bedtime though.
Also the Pendulum Cycle gets props just for inadvertently starting the Colosseum battle system that the anniversary V-Pets would follow. The backwards compatibility with everything from the original Ver.1 up to that era is a major plus as well. I really wish the later anniversary V-Pets were able to keep that feature, but it's understandable why it wasn't possible.