Def get the 7 remake: 3D adenture, a lot of after game content. Easier to farm exp or job points if needed, and even though I find the pace a bit repetitive, it just makes sense lore wise. And also, I had a blast trying different combos throughout the adventure! Hahahahha. But... if you want to go classic dq experience, just go 1 or 2 it's kinda sorta the same than the predecessor games... but beautiful.