When you've played other levels you subconciously know how to approach things better.
+1 for that! it's absolutely true!
the 5 "the end" levels were a breeze, after figuring certain things out in some dark world stages. and that'S not saying they sucked, at all!!
can't wait to 100% the game as well. right now i'm "saving" it up for in 2 weeks when my exams are over. until then all i can do is vicariously live in SMB-world through you guys *sniff* thanks :)