Since you already stated you are going to make the new worlds tad shorter. I have an idea to fill the extra time :p 
Dynamic Tribulation Mode!
20 ish different paths, randomly generated as you load in.
Cause using guides for TM is lame…
Let the QQ begin.
i7-3770K, XFX HD7970, ASUS SABERTOOTH, G.Skill ARES 16 GB 1600
Vizier: 80 mesm-guard-ele-war
Fort Aspenwood
Vizier: 80 mesm-guard-ele-war
Fort Aspenwood