They are. D/P/Pt was when my interest in the games was at it's prime, but I was never able to get it back up there in the subsequent generations, although X/Y came pretty close.
...It's actually night-time where I'm at. Not sure which part of the globe that you reside in.
Even so, I've been to Marriland before (the main site, not the forums, mind you.) I've used it during the 4th gen. Of course, that was before I started using Serebii.